Finding the Third Proportional to 67,938.75 and 99,910.13

Step by Step Solution

1. Step 1: Write the proportion equation
   67,938.75 : 99,910.13 = 99,910.13 : x
2. Step 2: Convert to fraction form
   67,938.75/99,910.13 = 99,910.13/x
3. Step 3: Cross multiply
   67,938.75x = 99,910.13 × 99,910.13
4. Step 4: Simplify right side
   67,938.75x = 9,982,033,077.52
5. Step 5: Solve for x
   x = 9,982,033,077.52/67,938.75
6. Step 6: Final answer
   x = 146,926.95