Finding the Third Proportional to 3,145,118 and 4,712,743

Step by Step Solution

1. Step 1: Write the proportion equation
   3,145,118 : 4,712,743 = 4,712,743 : x
2. Step 2: Convert to fraction form
   3,145,118/4,712,743 = 4,712,743/x
3. Step 3: Cross multiply
   3,145,118x = 4,712,743 × 4,712,743
4. Step 4: Simplify right side
   3,145,118x = 22,209,946,584,049
5. Step 5: Solve for x
   x = 22,209,946,584,049/3,145,118
6. Step 6: Final answer
   x = 7,061,721.24