Finding the Third Proportional to 1,641,428 and 2,521,436

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641,428 : 2,521,436 = 2,521,436 : x
2. Step 2: Convert to fraction form
   1,641,428/2,521,436 = 2,521,436/x
3. Step 3: Cross multiply
   1,641,428x = 2,521,436 × 2,521,436
4. Step 4: Simplify right side
   1,641,428x = 6,357,639,502,096
5. Step 5: Solve for x
   x = 6,357,639,502,096/1,641,428
6. Step 6: Final answer
   x = 3,873,236.90