Finding the Third Proportional to 1,161,220 and 2,488,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,161,220 : 2,488,328 = 2,488,328 : x
2. Step 2: Convert to fraction form
   1,161,220/2,488,328 = 2,488,328/x
3. Step 3: Cross multiply
   1,161,220x = 2,488,328 × 2,488,328
4. Step 4: Simplify right side
   1,161,220x = 6,191,776,235,584
5. Step 5: Solve for x
   x = 6,191,776,235,584/1,161,220
6. Step 6: Final answer
   x = 5,332,130.20