Finding the Third Proportional to 4,177,233 and 8,900,730

Step by Step Solution

1. Step 1: Write the proportion equation
   4,177,233 : 8,900,730 = 8,900,730 : x
2. Step 2: Convert to fraction form
   4,177,233/8,900,730 = 8,900,730/x
3. Step 3: Cross multiply
   4,177,233x = 8,900,730 × 8,900,730
4. Step 4: Simplify right side
   4,177,233x = 79,222,994,532,900
5. Step 5: Solve for x
   x = 79,222,994,532,900/4,177,233
6. Step 6: Final answer
   x = 18,965,423.89