Finding the Third Proportional to 3,479,923 and 7,666,490

Step by Step Solution

1. Step 1: Write the proportion equation
   3,479,923 : 7,666,490 = 7,666,490 : x
2. Step 2: Convert to fraction form
   3,479,923/7,666,490 = 7,666,490/x
3. Step 3: Cross multiply
   3,479,923x = 7,666,490 × 7,666,490
4. Step 4: Simplify right side
   3,479,923x = 58,775,068,920,100
5. Step 5: Solve for x
   x = 58,775,068,920,100/3,479,923
6. Step 6: Final answer
   x = 16,889,761.33