Finding the Third Proportional to 77,401.41 and 108,998.16

Step by Step Solution

1. Step 1: Write the proportion equation
   77,401.41 : 108,998.16 = 108,998.16 : x
2. Step 2: Convert to fraction form
   77,401.41/108,998.16 = 108,998.16/x
3. Step 3: Cross multiply
   77,401.41x = 108,998.16 × 108,998.16
4. Step 4: Simplify right side
   77,401.41x = 11,880,598,065.90
5. Step 5: Solve for x
   x = 11,880,598,065.90/77,401.41
6. Step 6: Final answer
   x = 153,493.31