Finding the Third Proportional to 139,852.88 and 301,818.75

Step by Step Solution

1. Step 1: Write the proportion equation
   139,852.88 : 301,818.75 = 301,818.75 : x
2. Step 2: Convert to fraction form
   139,852.88/301,818.75 = 301,818.75/x
3. Step 3: Cross multiply
   139,852.88x = 301,818.75 × 301,818.75
4. Step 4: Simplify right side
   139,852.88x = 91,094,557,851.56
5. Step 5: Solve for x
   x = 91,094,557,851.56/139,852.88
6. Step 6: Final answer
   x = 651,359.92