Finding the Third Proportional to 1,046,468 and 2,187,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046,468 : 2,187,688 = 2,187,688 : x
2. Step 2: Convert to fraction form
   1,046,468/2,187,688 = 2,187,688/x
3. Step 3: Cross multiply
   1,046,468x = 2,187,688 × 2,187,688
4. Step 4: Simplify right side
   1,046,468x = 4,785,978,785,344
5. Step 5: Solve for x
   x = 4,785,978,785,344/1,046,468
6. Step 6: Final answer
   x = 4,573,459.28