Finding the Third Proportional to 861,306 and 1,322,091

Step by Step Solution

1. Step 1: Write the proportion equation
   861,306 : 1,322,091 = 1,322,091 : x
2. Step 2: Convert to fraction form
   861,306/1,322,091 = 1,322,091/x
3. Step 3: Cross multiply
   861,306x = 1,322,091 × 1,322,091
4. Step 4: Simplify right side
   861,306x = 1,747,924,612,281
5. Step 5: Solve for x
   x = 1,747,924,612,281/861,306
6. Step 6: Final answer
   x = 2,029,388.64