Finding the Third Proportional to 478,421 and 1,025,532

Step by Step Solution

1. Step 1: Write the proportion equation
   478,421 : 1,025,532 = 1,025,532 : x
2. Step 2: Convert to fraction form
   478,421/1,025,532 = 1,025,532/x
3. Step 3: Cross multiply
   478,421x = 1,025,532 × 1,025,532
4. Step 4: Simplify right side
   478,421x = 1,051,715,883,024
5. Step 5: Solve for x
   x = 1,051,715,883,024/478,421
6. Step 6: Final answer
   x = 2,198,306.27