Finding the Third Proportional to 69,151.50 and 143,175

Step by Step Solution

1. Step 1: Write the proportion equation
   69,151.50 : 143,175 = 143,175 : x
2. Step 2: Convert to fraction form
   69,151.50/143,175 = 143,175/x
3. Step 3: Cross multiply
   69,151.50x = 143,175 × 143,175
4. Step 4: Simplify right side
   69,151.50x = 20,499,080,625
5. Step 5: Solve for x
   x = 20,499,080,625/69,151.50
6. Step 6: Final answer
   x = 296,437.25