Finding the Third Proportional to 28,861.31 and 60,849.56

Step by Step Solution

1. Step 1: Write the proportion equation
   28,861.31 : 60,849.56 = 60,849.56 : x
2. Step 2: Convert to fraction form
   28,861.31/60,849.56 = 60,849.56/x
3. Step 3: Cross multiply
   28,861.31x = 60,849.56 × 60,849.56
4. Step 4: Simplify right side
   28,861.31x = 3,702,669,256.44
5. Step 5: Solve for x
   x = 3,702,669,256.44/28,861.31
6. Step 6: Final answer
   x = 128,291.78