Finding the Third Proportional to 69,864 and 98,761.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,864 : 98,761.50 = 98,761.50 : x
2. Step 2: Convert to fraction form
   69,864/98,761.50 = 98,761.50/x
3. Step 3: Cross multiply
   69,864x = 98,761.50 × 98,761.50
4. Step 4: Simplify right side
   69,864x = 9,753,833,882.25
5. Step 5: Solve for x
   x = 9,753,833,882.25/69,864
6. Step 6: Final answer
   x = 139,611.73