Finding the Third Proportional to 7,429,921 and 10,266,463

Step by Step Solution

1. Step 1: Write the proportion equation
   7,429,921 : 10,266,463 = 10,266,463 : x
2. Step 2: Convert to fraction form
   7,429,921/10,266,463 = 10,266,463/x
3. Step 3: Cross multiply
   7,429,921x = 10,266,463 × 10,266,463
4. Step 4: Simplify right side
   7,429,921x = 105,400,262,530,369
5. Step 5: Solve for x
   x = 105,400,262,530,369/7,429,921
6. Step 6: Final answer
   x = 14,185,919.68