Finding the Third Proportional to 1,574,440 and 2,506,464

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574,440 : 2,506,464 = 2,506,464 : x
2. Step 2: Convert to fraction form
   1,574,440/2,506,464 = 2,506,464/x
3. Step 3: Cross multiply
   1,574,440x = 2,506,464 × 2,506,464
4. Step 4: Simplify right side
   1,574,440x = 6,282,361,783,296
5. Step 5: Solve for x
   x = 6,282,361,783,296/1,574,440
6. Step 6: Final answer
   x = 3,990,219.88