Finding the Third Proportional to 6,613,671 and 14,172,123

Step by Step Solution

1. Step 1: Write the proportion equation
   6,613,671 : 14,172,123 = 14,172,123 : x
2. Step 2: Convert to fraction form
   6,613,671/14,172,123 = 14,172,123/x
3. Step 3: Cross multiply
   6,613,671x = 14,172,123 × 14,172,123
4. Step 4: Simplify right side
   6,613,671x = 200,849,070,327,129
5. Step 5: Solve for x
   x = 200,849,070,327,129/6,613,671
6. Step 6: Final answer
   x = 30,368,772.55