Finding the Third Proportional to 62,788 and 87,998

Step by Step Solution

1. Step 1: Write the proportion equation
   62,788 : 87,998 = 87,998 : x
2. Step 2: Convert to fraction form
   62,788/87,998 = 87,998/x
3. Step 3: Cross multiply
   62,788x = 87,998 × 87,998
4. Step 4: Simplify right side
   62,788x = 7,743,648,004
5. Step 5: Solve for x
   x = 7,743,648,004/62,788
6. Step 6: Final answer
   x = 123,330.06