Finding the Third Proportional to 448,432 and 981,040

Step by Step Solution

1. Step 1: Write the proportion equation
   448,432 : 981,040 = 981,040 : x
2. Step 2: Convert to fraction form
   448,432/981,040 = 981,040/x
3. Step 3: Cross multiply
   448,432x = 981,040 × 981,040
4. Step 4: Simplify right side
   448,432x = 962,439,481,600
5. Step 5: Solve for x
   x = 962,439,481,600/448,432
6. Step 6: Final answer
   x = 2,146,232.83