Finding the Third Proportional to 42,175.25 and 63,698.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,175.25 : 63,698.50 = 63,698.50 : x
2. Step 2: Convert to fraction form
   42,175.25/63,698.50 = 63,698.50/x
3. Step 3: Cross multiply
   42,175.25x = 63,698.50 × 63,698.50
4. Step 4: Simplify right side
   42,175.25x = 4,057,498,902.25
5. Step 5: Solve for x
   x = 4,057,498,902.25/42,175.25
6. Step 6: Final answer
   x = 96,205.69