Finding the Third Proportional to 58,311.56 and 87,447.94

Step by Step Solution

1. Step 1: Write the proportion equation
   58,311.56 : 87,447.94 = 87,447.94 : x
2. Step 2: Convert to fraction form
   58,311.56/87,447.94 = 87,447.94/x
3. Step 3: Cross multiply
   58,311.56x = 87,447.94 × 87,447.94
4. Step 4: Simplify right side
   58,311.56x = 7,647,141,773.00
5. Step 5: Solve for x
   x = 7,647,141,773.00/58,311.56
6. Step 6: Final answer
   x = 131,142.80