Finding the Third Proportional to 62,488.97 and 89,296.17

Step by Step Solution

1. Step 1: Write the proportion equation
   62,488.97 : 89,296.17 = 89,296.17 : x
2. Step 2: Convert to fraction form
   62,488.97/89,296.17 = 89,296.17/x
3. Step 3: Cross multiply
   62,488.97x = 89,296.17 × 89,296.17
4. Step 4: Simplify right side
   62,488.97x = 7,973,806,311.53
5. Step 5: Solve for x
   x = 7,973,806,311.53/62,488.97
6. Step 6: Final answer
   x = 127,603.42