Finding the Third Proportional to 34,255.69 and 74,720.81

Step by Step Solution

1. Step 1: Write the proportion equation
   34,255.69 : 74,720.81 = 74,720.81 : x
2. Step 2: Convert to fraction form
   34,255.69/74,720.81 = 74,720.81/x
3. Step 3: Cross multiply
   34,255.69x = 74,720.81 × 74,720.81
4. Step 4: Simplify right side
   34,255.69x = 5,583,199,820.66
5. Step 5: Solve for x
   x = 5,583,199,820.66/34,255.69
6. Step 6: Final answer
   x = 162,986.07