Finding the Third Proportional to 60,822 and 90,988

Step by Step Solution

1. Step 1: Write the proportion equation
   60,822 : 90,988 = 90,988 : x
2. Step 2: Convert to fraction form
   60,822/90,988 = 90,988/x
3. Step 3: Cross multiply
   60,822x = 90,988 × 90,988
4. Step 4: Simplify right side
   60,822x = 8,278,816,144
5. Step 5: Solve for x
   x = 8,278,816,144/60,822
6. Step 6: Final answer
   x = 136,115.49