Finding the Third Proportional to 34,139.25 and 74,504.25

Step by Step Solution

1. Step 1: Write the proportion equation
   34,139.25 : 74,504.25 = 74,504.25 : x
2. Step 2: Convert to fraction form
   34,139.25/74,504.25 = 74,504.25/x
3. Step 3: Cross multiply
   34,139.25x = 74,504.25 × 74,504.25
4. Step 4: Simplify right side
   34,139.25x = 5,550,883,268.06
5. Step 5: Solve for x
   x = 5,550,883,268.06/34,139.25
6. Step 6: Final answer
   x = 162,595.35