Finding the Third Proportional to 280,049,490,007.50 and 602,573,656,438.50

Step by Step Solution

1. Step 1: Write the proportion equation
   280,049,490,007.50 : 602,573,656,438.50 = 602,573,656,438.50 : x
2. Step 2: Convert to fraction form
   280,049,490,007.50/602,573,656,438.50 = 602,573,656,438.50/x
3. Step 3: Cross multiply
   280,049,490,007.50x = 602,573,656,438.50 × 602,573,656,438.50
4. Step 4: Simplify right side
   280,049,490,007.50x = 363,095,011,433,663,460,016,128
5. Step 5: Solve for x
   x = 363,095,011,433,663,460,016,128/280,049,490,007.50
6. Step 6: Final answer
   x = 1,296,538,734,721.28