Finding the Third Proportional to 865,156 and 1,344,282

Step by Step Solution

1. Step 1: Write the proportion equation
   865,156 : 1,344,282 = 1,344,282 : x
2. Step 2: Convert to fraction form
   865,156/1,344,282 = 1,344,282/x
3. Step 3: Cross multiply
   865,156x = 1,344,282 × 1,344,282
4. Step 4: Simplify right side
   865,156x = 1,807,094,095,524
5. Step 5: Solve for x
   x = 1,807,094,095,524/865,156
6. Step 6: Final answer
   x = 2,088,749.42