Finding the Third Proportional to 70,805.25 and 98,996.63

Step by Step Solution

1. Step 1: Write the proportion equation
   70,805.25 : 98,996.63 = 98,996.63 : x
2. Step 2: Convert to fraction form
   70,805.25/98,996.63 = 98,996.63/x
3. Step 3: Cross multiply
   70,805.25x = 98,996.63 × 98,996.63
4. Step 4: Simplify right side
   70,805.25x = 9,800,331,761.39
5. Step 5: Solve for x
   x = 9,800,331,761.39/70,805.25
6. Step 6: Final answer
   x = 138,412.50