Finding the Third Proportional to 1,213,446 and 2,648,076

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,446 : 2,648,076 = 2,648,076 : x
2. Step 2: Convert to fraction form
   1,213,446/2,648,076 = 2,648,076/x
3. Step 3: Cross multiply
   1,213,446x = 2,648,076 × 2,648,076
4. Step 4: Simplify right side
   1,213,446x = 7,012,306,501,776
5. Step 5: Solve for x
   x = 7,012,306,501,776/1,213,446
6. Step 6: Final answer
   x = 5,778,836.88