Finding the Third Proportional to 1,917,780 and 4,098,000

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,780 : 4,098,000 = 4,098,000 : x
2. Step 2: Convert to fraction form
   1,917,780/4,098,000 = 4,098,000/x
3. Step 3: Cross multiply
   1,917,780x = 4,098,000 × 4,098,000
4. Step 4: Simplify right side
   1,917,780x = 16,793,604,000,000
5. Step 5: Solve for x
   x = 16,793,604,000,000/1,917,780
6. Step 6: Final answer
   x = 8,756,793.79