Finding the Third Proportional to 72,697.50 and 157,070.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,697.50 : 157,070.25 = 157,070.25 : x
2. Step 2: Convert to fraction form
   72,697.50/157,070.25 = 157,070.25/x
3. Step 3: Cross multiply
   72,697.50x = 157,070.25 × 157,070.25
4. Step 4: Simplify right side
   72,697.50x = 24,671,063,435.06
5. Step 5: Solve for x
   x = 24,671,063,435.06/72,697.50
6. Step 6: Final answer
   x = 339,366.05