Finding the Third Proportional to 4,173,039 and 8,897,229

Step by Step Solution

1. Step 1: Write the proportion equation
   4,173,039 : 8,897,229 = 8,897,229 : x
2. Step 2: Convert to fraction form
   4,173,039/8,897,229 = 8,897,229/x
3. Step 3: Cross multiply
   4,173,039x = 8,897,229 × 8,897,229
4. Step 4: Simplify right side
   4,173,039x = 79,160,683,878,441
5. Step 5: Solve for x
   x = 79,160,683,878,441/4,173,039
6. Step 6: Final answer
   x = 18,969,552.86