Finding the Third Proportional to 4,180,842 and 9,158,400

Step by Step Solution

1. Step 1: Write the proportion equation
   4,180,842 : 9,158,400 = 9,158,400 : x
2. Step 2: Convert to fraction form
   4,180,842/9,158,400 = 9,158,400/x
3. Step 3: Cross multiply
   4,180,842x = 9,158,400 × 9,158,400
4. Step 4: Simplify right side
   4,180,842x = 83,876,290,560,000
5. Step 5: Solve for x
   x = 83,876,290,560,000/4,180,842
6. Step 6: Final answer
   x = 20,062,057.01