Finding the Third Proportional to 71,998.03 and 99,247.78

Step by Step Solution

1. Step 1: Write the proportion equation
   71,998.03 : 99,247.78 = 99,247.78 : x
2. Step 2: Convert to fraction form
   71,998.03/99,247.78 = 99,247.78/x
3. Step 3: Cross multiply
   71,998.03x = 99,247.78 × 99,247.78
4. Step 4: Simplify right side
   71,998.03x = 9,850,122,083.05
5. Step 5: Solve for x
   x = 9,850,122,083.05/71,998.03
6. Step 6: Final answer
   x = 136,810.99