Finding the Third Proportional to 98,701.88 and 144,367.31

Step by Step Solution

1. Step 1: Write the proportion equation
   98,701.88 : 144,367.31 = 144,367.31 : x
2. Step 2: Convert to fraction form
   98,701.88/144,367.31 = 144,367.31/x
3. Step 3: Cross multiply
   98,701.88x = 144,367.31 × 144,367.31
4. Step 4: Simplify right side
   98,701.88x = 20,841,920,918.47
5. Step 5: Solve for x
   x = 20,841,920,918.47/98,701.88
6. Step 6: Final answer
   x = 211,160.33