Finding the Third Proportional to 2,150,953 and 4,681,229

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150,953 : 4,681,229 = 4,681,229 : x
2. Step 2: Convert to fraction form
   2,150,953/4,681,229 = 4,681,229/x
3. Step 3: Cross multiply
   2,150,953x = 4,681,229 × 4,681,229
4. Step 4: Simplify right side
   2,150,953x = 21,913,904,950,441
5. Step 5: Solve for x
   x = 21,913,904,950,441/2,150,953
6. Step 6: Final answer
   x = 10,187,998.04