Finding the Third Proportional to 931,978 and 1,396,527

Step by Step Solution

1. Step 1: Write the proportion equation
   931,978 : 1,396,527 = 1,396,527 : x
2. Step 2: Convert to fraction form
   931,978/1,396,527 = 1,396,527/x
3. Step 3: Cross multiply
   931,978x = 1,396,527 × 1,396,527
4. Step 4: Simplify right side
   931,978x = 1,950,287,661,729
5. Step 5: Solve for x
   x = 1,950,287,661,729/931,978
6. Step 6: Final answer
   x = 2,092,632.72