Finding the Third Proportional to 1,638,963 and 2,571,034

Step by Step Solution

1. Step 1: Write the proportion equation
   1,638,963 : 2,571,034 = 2,571,034 : x
2. Step 2: Convert to fraction form
   1,638,963/2,571,034 = 2,571,034/x
3. Step 3: Cross multiply
   1,638,963x = 2,571,034 × 2,571,034
4. Step 4: Simplify right side
   1,638,963x = 6,610,215,829,156
5. Step 5: Solve for x
   x = 6,610,215,829,156/1,638,963
6. Step 6: Final answer
   x = 4,033,169.65