Finding the Third Proportional to 842,024 and 1,288,295

Step by Step Solution

1. Step 1: Write the proportion equation
   842,024 : 1,288,295 = 1,288,295 : x
2. Step 2: Convert to fraction form
   842,024/1,288,295 = 1,288,295/x
3. Step 3: Cross multiply
   842,024x = 1,288,295 × 1,288,295
4. Step 4: Simplify right side
   842,024x = 1,659,704,007,025
5. Step 5: Solve for x
   x = 1,659,704,007,025/842,024
6. Step 6: Final answer
   x = 1,971,088.72