Finding the Third Proportional to 28,910.50 and 63,113

Step by Step Solution

1. Step 1: Write the proportion equation
   28,910.50 : 63,113 = 63,113 : x
2. Step 2: Convert to fraction form
   28,910.50/63,113 = 63,113/x
3. Step 3: Cross multiply
   28,910.50x = 63,113 × 63,113
4. Step 4: Simplify right side
   28,910.50x = 3,983,250,769
5. Step 5: Solve for x
   x = 3,983,250,769/28,910.50
6. Step 6: Final answer
   x = 137,778.69