Finding the Third Proportional to 39,661.31 and 89,310.94

Step by Step Solution

1. Step 1: Write the proportion equation
   39,661.31 : 89,310.94 = 89,310.94 : x
2. Step 2: Convert to fraction form
   39,661.31/89,310.94 = 89,310.94/x
3. Step 3: Cross multiply
   39,661.31x = 89,310.94 × 89,310.94
4. Step 4: Simplify right side
   39,661.31x = 7,976,443,557.13
5. Step 5: Solve for x
   x = 7,976,443,557.13/39,661.31
6. Step 6: Final answer
   x = 201,113.96