Finding the Third Proportional to 840,570 and 1,867,764

Step by Step Solution

1. Step 1: Write the proportion equation
   840,570 : 1,867,764 = 1,867,764 : x
2. Step 2: Convert to fraction form
   840,570/1,867,764 = 1,867,764/x
3. Step 3: Cross multiply
   840,570x = 1,867,764 × 1,867,764
4. Step 4: Simplify right side
   840,570x = 3,488,542,359,696
5. Step 5: Solve for x
   x = 3,488,542,359,696/840,570
6. Step 6: Final answer
   x = 4,150,210.40