Finding the Third Proportional to 1,257,570 and 2,715,246

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,570 : 2,715,246 = 2,715,246 : x
2. Step 2: Convert to fraction form
   1,257,570/2,715,246 = 2,715,246/x
3. Step 3: Cross multiply
   1,257,570x = 2,715,246 × 2,715,246
4. Step 4: Simplify right side
   1,257,570x = 7,372,560,840,516
5. Step 5: Solve for x
   x = 7,372,560,840,516/1,257,570
6. Step 6: Final answer
   x = 5,862,545.10