Finding the Third Proportional to 1,243,548 and 2,657,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,548 : 2,657,712 = 2,657,712 : x
2. Step 2: Convert to fraction form
   1,243,548/2,657,712 = 2,657,712/x
3. Step 3: Cross multiply
   1,243,548x = 2,657,712 × 2,657,712
4. Step 4: Simplify right side
   1,243,548x = 7,063,433,074,944
5. Step 5: Solve for x
   x = 7,063,433,074,944/1,243,548
6. Step 6: Final answer
   x = 5,680,064.68