Finding the Third Proportional to 1,250,542 and 2,545,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250,542 : 2,545,280 = 2,545,280 : x
2. Step 2: Convert to fraction form
   1,250,542/2,545,280 = 2,545,280/x
3. Step 3: Cross multiply
   1,250,542x = 2,545,280 × 2,545,280
4. Step 4: Simplify right side
   1,250,542x = 6,478,450,278,400
5. Step 5: Solve for x
   x = 6,478,450,278,400/1,250,542
6. Step 6: Final answer
   x = 5,180,513.95