Finding the Third Proportional to 35,710.13 and 78,425.25

Step by Step Solution

1. Step 1: Write the proportion equation
   35,710.13 : 78,425.25 = 78,425.25 : x
2. Step 2: Convert to fraction form
   35,710.13/78,425.25 = 78,425.25/x
3. Step 3: Cross multiply
   35,710.13x = 78,425.25 × 78,425.25
4. Step 4: Simplify right side
   35,710.13x = 6,150,519,837.56
5. Step 5: Solve for x
   x = 6,150,519,837.56/35,710.13
6. Step 6: Final answer
   x = 172,234.62