Finding the Third Proportional to 5,878,419 and 8,906,229

Step by Step Solution

1. Step 1: Write the proportion equation
   5,878,419 : 8,906,229 = 8,906,229 : x
2. Step 2: Convert to fraction form
   5,878,419/8,906,229 = 8,906,229/x
3. Step 3: Cross multiply
   5,878,419x = 8,906,229 × 8,906,229
4. Step 4: Simplify right side
   5,878,419x = 79,320,915,000,441
5. Step 5: Solve for x
   x = 79,320,915,000,441/5,878,419
6. Step 6: Final answer
   x = 13,493,579.65