Finding the Third Proportional to 5,407,056 and 8,369,418

Step by Step Solution

1. Step 1: Write the proportion equation
   5,407,056 : 8,369,418 = 8,369,418 : x
2. Step 2: Convert to fraction form
   5,407,056/8,369,418 = 8,369,418/x
3. Step 3: Cross multiply
   5,407,056x = 8,369,418 × 8,369,418
4. Step 4: Simplify right side
   5,407,056x = 70,047,157,658,724
5. Step 5: Solve for x
   x = 70,047,157,658,724/5,407,056
6. Step 6: Final answer
   x = 12,954,768.30