Finding the Third Proportional to 71,940 and 112,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,940 : 112,603.50 = 112,603.50 : x
2. Step 2: Convert to fraction form
   71,940/112,603.50 = 112,603.50/x
3. Step 3: Cross multiply
   71,940x = 112,603.50 × 112,603.50
4. Step 4: Simplify right side
   71,940x = 12,679,548,212.25
5. Step 5: Solve for x
   x = 12,679,548,212.25/71,940
6. Step 6: Final answer
   x = 176,251.71