Finding the Third Proportional to 1,081,208 and 1,658,446

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081,208 : 1,658,446 = 1,658,446 : x
2. Step 2: Convert to fraction form
   1,081,208/1,658,446 = 1,658,446/x
3. Step 3: Cross multiply
   1,081,208x = 1,658,446 × 1,658,446
4. Step 4: Simplify right side
   1,081,208x = 2,750,443,134,916
5. Step 5: Solve for x
   x = 2,750,443,134,916/1,081,208
6. Step 6: Final answer
   x = 2,543,861.25