Finding the Third Proportional to 478,738 and 1,036,724

Step by Step Solution

1. Step 1: Write the proportion equation
   478,738 : 1,036,724 = 1,036,724 : x
2. Step 2: Convert to fraction form
   478,738/1,036,724 = 1,036,724/x
3. Step 3: Cross multiply
   478,738x = 1,036,724 × 1,036,724
4. Step 4: Simplify right side
   478,738x = 1,074,796,652,176
5. Step 5: Solve for x
   x = 1,074,796,652,176/478,738
6. Step 6: Final answer
   x = 2,245,062.34