Finding the Third Proportional to 2,812,815 and 4,200,702

Step by Step Solution

1. Step 1: Write the proportion equation
   2,812,815 : 4,200,702 = 4,200,702 : x
2. Step 2: Convert to fraction form
   2,812,815/4,200,702 = 4,200,702/x
3. Step 3: Cross multiply
   2,812,815x = 4,200,702 × 4,200,702
4. Step 4: Simplify right side
   2,812,815x = 17,645,897,292,804
5. Step 5: Solve for x
   x = 17,645,897,292,804/2,812,815
6. Step 6: Final answer
   x = 6,273,394.20