Finding the Third Proportional to 2,159,712 and 4,726,206

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159,712 : 4,726,206 = 4,726,206 : x
2. Step 2: Convert to fraction form
   2,159,712/4,726,206 = 4,726,206/x
3. Step 3: Cross multiply
   2,159,712x = 4,726,206 × 4,726,206
4. Step 4: Simplify right side
   2,159,712x = 22,337,023,154,436
5. Step 5: Solve for x
   x = 22,337,023,154,436/2,159,712
6. Step 6: Final answer
   x = 10,342,593.44