Finding the Third Proportional to 1,266,472 and 2,584,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,266,472 : 2,584,616 = 2,584,616 : x
2. Step 2: Convert to fraction form
   1,266,472/2,584,616 = 2,584,616/x
3. Step 3: Cross multiply
   1,266,472x = 2,584,616 × 2,584,616
4. Step 4: Simplify right side
   1,266,472x = 6,680,239,867,456
5. Step 5: Solve for x
   x = 6,680,239,867,456/1,266,472
6. Step 6: Final answer
   x = 5,274,684.22