Finding the Third Proportional to 34,499.25 and 70,449.75

Step by Step Solution

1. Step 1: Write the proportion equation
   34,499.25 : 70,449.75 = 70,449.75 : x
2. Step 2: Convert to fraction form
   34,499.25/70,449.75 = 70,449.75/x
3. Step 3: Cross multiply
   34,499.25x = 70,449.75 × 70,449.75
4. Step 4: Simplify right side
   34,499.25x = 4,963,167,275.06
5. Step 5: Solve for x
   x = 4,963,167,275.06/34,499.25
6. Step 6: Final answer
   x = 143,863.05