Finding the Third Proportional to 1,340,246 and 2,890,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340,246 : 2,890,428 = 2,890,428 : x
2. Step 2: Convert to fraction form
   1,340,246/2,890,428 = 2,890,428/x
3. Step 3: Cross multiply
   1,340,246x = 2,890,428 × 2,890,428
4. Step 4: Simplify right side
   1,340,246x = 8,354,574,023,184
5. Step 5: Solve for x
   x = 8,354,574,023,184/1,340,246
6. Step 6: Final answer
   x = 6,233,612.35