Finding the Third Proportional to 3,911,984 and 5,984,211

Step by Step Solution

1. Step 1: Write the proportion equation
   3,911,984 : 5,984,211 = 5,984,211 : x
2. Step 2: Convert to fraction form
   3,911,984/5,984,211 = 5,984,211/x
3. Step 3: Cross multiply
   3,911,984x = 5,984,211 × 5,984,211
4. Step 4: Simplify right side
   3,911,984x = 35,810,781,292,521
5. Step 5: Solve for x
   x = 35,810,781,292,521/3,911,984
6. Step 6: Final answer
   x = 9,154,122.64