Finding the Third Proportional to 72,351 and 156,400.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,351 : 156,400.50 = 156,400.50 : x
2. Step 2: Convert to fraction form
   72,351/156,400.50 = 156,400.50/x
3. Step 3: Cross multiply
   72,351x = 156,400.50 × 156,400.50
4. Step 4: Simplify right side
   72,351x = 24,461,116,400.25
5. Step 5: Solve for x
   x = 24,461,116,400.25/72,351
6. Step 6: Final answer
   x = 338,089.54