Finding the Third Proportional to 28,528.88 and 62,889.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,528.88 : 62,889.75 = 62,889.75 : x
2. Step 2: Convert to fraction form
   28,528.88/62,889.75 = 62,889.75/x
3. Step 3: Cross multiply
   28,528.88x = 62,889.75 × 62,889.75
4. Step 4: Simplify right side
   28,528.88x = 3,955,120,655.06
5. Step 5: Solve for x
   x = 3,955,120,655.06/28,528.88
6. Step 6: Final answer
   x = 138,635.70