Finding the Third Proportional to 728,643.50 and 1,018,924

Step by Step Solution

1. Step 1: Write the proportion equation
   728,643.50 : 1,018,924 = 1,018,924 : x
2. Step 2: Convert to fraction form
   728,643.50/1,018,924 = 1,018,924/x
3. Step 3: Cross multiply
   728,643.50x = 1,018,924 × 1,018,924
4. Step 4: Simplify right side
   728,643.50x = 1,038,206,117,776
5. Step 5: Solve for x
   x = 1,038,206,117,776/728,643.50
6. Step 6: Final answer
   x = 1,424,847.84