Finding the Third Proportional to 69,382 and 99,145

Step by Step Solution

1. Step 1: Write the proportion equation
   69,382 : 99,145 = 99,145 : x
2. Step 2: Convert to fraction form
   69,382/99,145 = 99,145/x
3. Step 3: Cross multiply
   69,382x = 99,145 × 99,145
4. Step 4: Simplify right side
   69,382x = 9,829,731,025
5. Step 5: Solve for x
   x = 9,829,731,025/69,382
6. Step 6: Final answer
   x = 141,675.52