Finding the Third Proportional to 2,134,712 and 4,663,407

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134,712 : 4,663,407 = 4,663,407 : x
2. Step 2: Convert to fraction form
   2,134,712/4,663,407 = 4,663,407/x
3. Step 3: Cross multiply
   2,134,712x = 4,663,407 × 4,663,407
4. Step 4: Simplify right side
   2,134,712x = 21,747,364,847,649
5. Step 5: Solve for x
   x = 21,747,364,847,649/2,134,712
6. Step 6: Final answer
   x = 10,187,493.60