Finding the Third Proportional to 4,140,147 and 8,910,150

Step by Step Solution

1. Step 1: Write the proportion equation
   4,140,147 : 8,910,150 = 8,910,150 : x
2. Step 2: Convert to fraction form
   4,140,147/8,910,150 = 8,910,150/x
3. Step 3: Cross multiply
   4,140,147x = 8,910,150 × 8,910,150
4. Step 4: Simplify right side
   4,140,147x = 79,390,773,022,500
5. Step 5: Solve for x
   x = 79,390,773,022,500/4,140,147
6. Step 6: Final answer
   x = 19,175,834.34