Finding the Third Proportional to 53,471.81 and 74,761.31

Step by Step Solution

1. Step 1: Write the proportion equation
   53,471.81 : 74,761.31 = 74,761.31 : x
2. Step 2: Convert to fraction form
   53,471.81/74,761.31 = 74,761.31/x
3. Step 3: Cross multiply
   53,471.81x = 74,761.31 × 74,761.31
4. Step 4: Simplify right side
   53,471.81x = 5,589,253,846.72
5. Step 5: Solve for x
   x = 5,589,253,846.72/53,471.81
6. Step 6: Final answer
   x = 104,527.11