Finding the Third Proportional to 1,574,472 and 2,506,516

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574,472 : 2,506,516 = 2,506,516 : x
2. Step 2: Convert to fraction form
   1,574,472/2,506,516 = 2,506,516/x
3. Step 3: Cross multiply
   1,574,472x = 2,506,516 × 2,506,516
4. Step 4: Simplify right side
   1,574,472x = 6,282,622,458,256
5. Step 5: Solve for x
   x = 6,282,622,458,256/1,574,472
6. Step 6: Final answer
   x = 3,990,304.34