Finding the Third Proportional to 45,291.09 and 98,386.31

Step by Step Solution

1. Step 1: Write the proportion equation
   45,291.09 : 98,386.31 = 98,386.31 : x
2. Step 2: Convert to fraction form
   45,291.09/98,386.31 = 98,386.31/x
3. Step 3: Cross multiply
   45,291.09x = 98,386.31 × 98,386.31
4. Step 4: Simplify right side
   45,291.09x = 9,679,866,487.35
5. Step 5: Solve for x
   x = 9,679,866,487.35/45,291.09
6. Step 6: Final answer
   x = 213,725.61