Finding the Third Proportional to 28,906.50 and 63,105

Step by Step Solution

1. Step 1: Write the proportion equation
   28,906.50 : 63,105 = 63,105 : x
2. Step 2: Convert to fraction form
   28,906.50/63,105 = 63,105/x
3. Step 3: Cross multiply
   28,906.50x = 63,105 × 63,105
4. Step 4: Simplify right side
   28,906.50x = 3,982,241,025
5. Step 5: Solve for x
   x = 3,982,241,025/28,906.50
6. Step 6: Final answer
   x = 137,762.82