Finding the Third Proportional to 69,330 and 99,144

Step by Step Solution

1. Step 1: Write the proportion equation
   69,330 : 99,144 = 99,144 : x
2. Step 2: Convert to fraction form
   69,330/99,144 = 99,144/x
3. Step 3: Cross multiply
   69,330x = 99,144 × 99,144
4. Step 4: Simplify right side
   69,330x = 9,829,532,736
5. Step 5: Solve for x
   x = 9,829,532,736/69,330
6. Step 6: Final answer
   x = 141,778.92