Finding the Third Proportional to 34,065.56 and 74,623.78

Step by Step Solution

1. Step 1: Write the proportion equation
   34,065.56 : 74,623.78 = 74,623.78 : x
2. Step 2: Convert to fraction form
   34,065.56/74,623.78 = 74,623.78/x
3. Step 3: Cross multiply
   34,065.56x = 74,623.78 × 74,623.78
4. Step 4: Simplify right side
   34,065.56x = 5,568,708,728.05
5. Step 5: Solve for x
   x = 5,568,708,728.05/34,065.56
6. Step 6: Final answer
   x = 163,470.33