Finding the Third Proportional to 3,507,678 and 7,650,126

Step by Step Solution

1. Step 1: Write the proportion equation
   3,507,678 : 7,650,126 = 7,650,126 : x
2. Step 2: Convert to fraction form
   3,507,678/7,650,126 = 7,650,126/x
3. Step 3: Cross multiply
   3,507,678x = 7,650,126 × 7,650,126
4. Step 4: Simplify right side
   3,507,678x = 58,524,427,815,876
5. Step 5: Solve for x
   x = 58,524,427,815,876/3,507,678
6. Step 6: Final answer
   x = 16,684,663.71