Finding the Third Proportional to 2,086,572 and 4,571,664

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,572 : 4,571,664 = 4,571,664 : x
2. Step 2: Convert to fraction form
   2,086,572/4,571,664 = 4,571,664/x
3. Step 3: Cross multiply
   2,086,572x = 4,571,664 × 4,571,664
4. Step 4: Simplify right side
   2,086,572x = 20,900,111,728,896
5. Step 5: Solve for x
   x = 20,900,111,728,896/2,086,572
6. Step 6: Final answer
   x = 10,016,482.41