Finding the Third Proportional to 88,899 and 137,562

Step by Step Solution

1. Step 1: Write the proportion equation
   88,899 : 137,562 = 137,562 : x
2. Step 2: Convert to fraction form
   88,899/137,562 = 137,562/x
3. Step 3: Cross multiply
   88,899x = 137,562 × 137,562
4. Step 4: Simplify right side
   88,899x = 18,923,303,844
5. Step 5: Solve for x
   x = 18,923,303,844/88,899
6. Step 6: Final answer
   x = 212,862.96