Finding the Third Proportional to 5,766,640 and 8,306,664

Step by Step Solution

1. Step 1: Write the proportion equation
   5,766,640 : 8,306,664 = 8,306,664 : x
2. Step 2: Convert to fraction form
   5,766,640/8,306,664 = 8,306,664/x
3. Step 3: Cross multiply
   5,766,640x = 8,306,664 × 8,306,664
4. Step 4: Simplify right side
   5,766,640x = 69,000,666,808,896
5. Step 5: Solve for x
   x = 69,000,666,808,896/5,766,640
6. Step 6: Final answer
   x = 11,965,488.88