Finding the Third Proportional to 4,180,998 and 9,158,700

Step by Step Solution

1. Step 1: Write the proportion equation
   4,180,998 : 9,158,700 = 9,158,700 : x
2. Step 2: Convert to fraction form
   4,180,998/9,158,700 = 9,158,700/x
3. Step 3: Cross multiply
   4,180,998x = 9,158,700 × 9,158,700
4. Step 4: Simplify right side
   4,180,998x = 83,881,785,690,000
5. Step 5: Solve for x
   x = 83,881,785,690,000/4,180,998
6. Step 6: Final answer
   x = 20,062,622.77