Finding the Third Proportional to 2,149,728 and 4,692,432

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149,728 : 4,692,432 = 4,692,432 : x
2. Step 2: Convert to fraction form
   2,149,728/4,692,432 = 4,692,432/x
3. Step 3: Cross multiply
   2,149,728x = 4,692,432 × 4,692,432
4. Step 4: Simplify right side
   2,149,728x = 22,018,918,074,624
5. Step 5: Solve for x
   x = 22,018,918,074,624/2,149,728
6. Step 6: Final answer
   x = 10,242,653.06