Finding the Third Proportional to 48,861.56 and 74,872.69

Step by Step Solution

1. Step 1: Write the proportion equation
   48,861.56 : 74,872.69 = 74,872.69 : x
2. Step 2: Convert to fraction form
   48,861.56/74,872.69 = 74,872.69/x
3. Step 3: Cross multiply
   48,861.56x = 74,872.69 × 74,872.69
4. Step 4: Simplify right side
   48,861.56x = 5,605,919,333.47
5. Step 5: Solve for x
   x = 5,605,919,333.47/48,861.56
6. Step 6: Final answer
   x = 114,730.66