Finding the Third Proportional to 1,638,332 and 2,564,422

Step by Step Solution

1. Step 1: Write the proportion equation
   1,638,332 : 2,564,422 = 2,564,422 : x
2. Step 2: Convert to fraction form
   1,638,332/2,564,422 = 2,564,422/x
3. Step 3: Cross multiply
   1,638,332x = 2,564,422 × 2,564,422
4. Step 4: Simplify right side
   1,638,332x = 6,576,260,194,084
5. Step 5: Solve for x
   x = 6,576,260,194,084/1,638,332
6. Step 6: Final answer
   x = 4,013,997.28