Finding the Third Proportional to 2,142,474 and 4,462,500

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,474 : 4,462,500 = 4,462,500 : x
2. Step 2: Convert to fraction form
   2,142,474/4,462,500 = 4,462,500/x
3. Step 3: Cross multiply
   2,142,474x = 4,462,500 × 4,462,500
4. Step 4: Simplify right side
   2,142,474x = 19,913,906,250,000
5. Step 5: Solve for x
   x = 19,913,906,250,000/2,142,474
6. Step 6: Final answer
   x = 9,294,818.16