Finding the Third Proportional to 931,559 and 1,318,422

Step by Step Solution

1. Step 1: Write the proportion equation
   931,559 : 1,318,422 = 1,318,422 : x
2. Step 2: Convert to fraction form
   931,559/1,318,422 = 1,318,422/x
3. Step 3: Cross multiply
   931,559x = 1,318,422 × 1,318,422
4. Step 4: Simplify right side
   931,559x = 1,738,236,570,084
5. Step 5: Solve for x
   x = 1,738,236,570,084/931,559
6. Step 6: Final answer
   x = 1,865,943.62