Finding the Third Proportional to 72,681 and 98,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,681 : 98,167.50 = 98,167.50 : x
2. Step 2: Convert to fraction form
   72,681/98,167.50 = 98,167.50/x
3. Step 3: Cross multiply
   72,681x = 98,167.50 × 98,167.50
4. Step 4: Simplify right side
   72,681x = 9,636,858,056.25
5. Step 5: Solve for x
   x = 9,636,858,056.25/72,681
6. Step 6: Final answer
   x = 132,591.16