Finding the Third Proportional to 60,436 and 90,708

Step by Step Solution

1. Step 1: Write the proportion equation
   60,436 : 90,708 = 90,708 : x
2. Step 2: Convert to fraction form
   60,436/90,708 = 90,708/x
3. Step 3: Cross multiply
   60,436x = 90,708 × 90,708
4. Step 4: Simplify right side
   60,436x = 8,227,941,264
5. Step 5: Solve for x
   x = 8,227,941,264/60,436
6. Step 6: Final answer
   x = 136,143.05