Finding the Third Proportional to 69,916 and 98,836.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,916 : 98,836.50 = 98,836.50 : x
2. Step 2: Convert to fraction form
   69,916/98,836.50 = 98,836.50/x
3. Step 3: Cross multiply
   69,916x = 98,836.50 × 98,836.50
4. Step 4: Simplify right side
   69,916x = 9,768,653,732.25
5. Step 5: Solve for x
   x = 9,768,653,732.25/69,916
6. Step 6: Final answer
   x = 139,719.86