Finding the Third Proportional to 5,612,580 and 8,208,918

Step by Step Solution

1. Step 1: Write the proportion equation
   5,612,580 : 8,208,918 = 8,208,918 : x
2. Step 2: Convert to fraction form
   5,612,580/8,208,918 = 8,208,918/x
3. Step 3: Cross multiply
   5,612,580x = 8,208,918 × 8,208,918
4. Step 4: Simplify right side
   5,612,580x = 67,386,334,730,724
5. Step 5: Solve for x
   x = 67,386,334,730,724/5,612,580
6. Step 6: Final answer
   x = 12,006,302.76