Finding the Third Proportional to 511,049,677.50 and 1,109,319,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   511,049,677.50 : 1,109,319,061.50 = 1,109,319,061.50 : x
2. Step 2: Convert to fraction form
   511,049,677.50/1,109,319,061.50 = 1,109,319,061.50/x
3. Step 3: Cross multiply
   511,049,677.50x = 1,109,319,061.50 × 1,109,319,061.50
4. Step 4: Simplify right side
   511,049,677.50x = 1,230,588,780,207,240,704
5. Step 5: Solve for x
   x = 1,230,588,780,207,240,704/511,049,677.50
6. Step 6: Final answer
   x = 2,407,963,128.41