Finding the Third Proportional to 1,315,602 and 2,874,690

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,602 : 2,874,690 = 2,874,690 : x
2. Step 2: Convert to fraction form
   1,315,602/2,874,690 = 2,874,690/x
3. Step 3: Cross multiply
   1,315,602x = 2,874,690 × 2,874,690
4. Step 4: Simplify right side
   1,315,602x = 8,263,842,596,100
5. Step 5: Solve for x
   x = 8,263,842,596,100/1,315,602
6. Step 6: Final answer
   x = 6,281,415.35