Finding the Third Proportional to 2,218,302 and 4,541,688

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,302 : 4,541,688 = 4,541,688 : x
2. Step 2: Convert to fraction form
   2,218,302/4,541,688 = 4,541,688/x
3. Step 3: Cross multiply
   2,218,302x = 4,541,688 × 4,541,688
4. Step 4: Simplify right side
   2,218,302x = 20,626,929,889,344
5. Step 5: Solve for x
   x = 20,626,929,889,344/2,218,302
6. Step 6: Final answer
   x = 9,298,521.97