Finding the Third Proportional to 4,112,085 and 8,910,612

Step by Step Solution

1. Step 1: Write the proportion equation
   4,112,085 : 8,910,612 = 8,910,612 : x
2. Step 2: Convert to fraction form
   4,112,085/8,910,612 = 8,910,612/x
3. Step 3: Cross multiply
   4,112,085x = 8,910,612 × 8,910,612
4. Step 4: Simplify right side
   4,112,085x = 79,399,006,214,544
5. Step 5: Solve for x
   x = 79,399,006,214,544/4,112,085
6. Step 6: Final answer
   x = 19,308,697.71