Finding the Third Proportional to 806,574 and 1,238,060

Step by Step Solution

1. Step 1: Write the proportion equation
   806,574 : 1,238,060 = 1,238,060 : x
2. Step 2: Convert to fraction form
   806,574/1,238,060 = 1,238,060/x
3. Step 3: Cross multiply
   806,574x = 1,238,060 × 1,238,060
4. Step 4: Simplify right side
   806,574x = 1,532,792,563,600
5. Step 5: Solve for x
   x = 1,532,792,563,600/806,574
6. Step 6: Final answer
   x = 1,900,374.38