Finding the Third Proportional to 69,153.75 and 99,943.88

Step by Step Solution

1. Step 1: Write the proportion equation
   69,153.75 : 99,943.88 = 99,943.88 : x
2. Step 2: Convert to fraction form
   69,153.75/99,943.88 = 99,943.88/x
3. Step 3: Cross multiply
   69,153.75x = 99,943.88 × 99,943.88
4. Step 4: Simplify right side
   69,153.75x = 9,988,778,150.02
5. Step 5: Solve for x
   x = 9,988,778,150.02/69,153.75
6. Step 6: Final answer
   x = 144,443.04