Finding the Third Proportional to 14,128.17 and 30,788.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,128.17 : 30,788.86 = 30,788.86 : x
2. Step 2: Convert to fraction form
   14,128.17/30,788.86 = 30,788.86/x
3. Step 3: Cross multiply
   14,128.17x = 30,788.86 × 30,788.86
4. Step 4: Simplify right side
   14,128.17x = 947,953,861.61
5. Step 5: Solve for x
   x = 947,953,861.61/14,128.17
6. Step 6: Final answer
   x = 67,096.71