Finding the Third Proportional to 6,143,487 and 13,404,990

Step by Step Solution

1. Step 1: Write the proportion equation
   6,143,487 : 13,404,990 = 13,404,990 : x
2. Step 2: Convert to fraction form
   6,143,487/13,404,990 = 13,404,990/x
3. Step 3: Cross multiply
   6,143,487x = 13,404,990 × 13,404,990
4. Step 4: Simplify right side
   6,143,487x = 179,693,756,900,100
5. Step 5: Solve for x
   x = 179,693,756,900,100/6,143,487
6. Step 6: Final answer
   x = 29,249,472.96