Finding the Third Proportional to 5,307,786 and 8,005,665

Step by Step Solution

1. Step 1: Write the proportion equation
   5,307,786 : 8,005,665 = 8,005,665 : x
2. Step 2: Convert to fraction form
   5,307,786/8,005,665 = 8,005,665/x
3. Step 3: Cross multiply
   5,307,786x = 8,005,665 × 8,005,665
4. Step 4: Simplify right side
   5,307,786x = 64,090,672,092,225
5. Step 5: Solve for x
   x = 64,090,672,092,225/5,307,786
6. Step 6: Final answer
   x = 12,074,841.02