Finding the Third Proportional to 72,059.50 and 115,115.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,059.50 : 115,115.50 = 115,115.50 : x
2. Step 2: Convert to fraction form
   72,059.50/115,115.50 = 115,115.50/x
3. Step 3: Cross multiply
   72,059.50x = 115,115.50 × 115,115.50
4. Step 4: Simplify right side
   72,059.50x = 13,251,578,340.25
5. Step 5: Solve for x
   x = 13,251,578,340.25/72,059.50
6. Step 6: Final answer
   x = 183,897.73