Finding the Third Proportional to 62,759.81 and 89,834.06

Step by Step Solution

1. Step 1: Write the proportion equation
   62,759.81 : 89,834.06 = 89,834.06 : x
2. Step 2: Convert to fraction form
   62,759.81/89,834.06 = 89,834.06/x
3. Step 3: Cross multiply
   62,759.81x = 89,834.06 × 89,834.06
4. Step 4: Simplify right side
   62,759.81x = 8,070,158,785.25
5. Step 5: Solve for x
   x = 8,070,158,785.25/62,759.81
6. Step 6: Final answer
   x = 128,588.00