Finding the Third Proportional to 72,358.50 and 113,170.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,358.50 : 113,170.50 = 113,170.50 : x
2. Step 2: Convert to fraction form
   72,358.50/113,170.50 = 113,170.50/x
3. Step 3: Cross multiply
   72,358.50x = 113,170.50 × 113,170.50
4. Step 4: Simplify right side
   72,358.50x = 12,807,562,070.25
5. Step 5: Solve for x
   x = 12,807,562,070.25/72,358.50
6. Step 6: Final answer
   x = 177,001.49