Finding the Third Proportional to 381,060 and 814,584

Step by Step Solution

1. Step 1: Write the proportion equation
   381,060 : 814,584 = 814,584 : x
2. Step 2: Convert to fraction form
   381,060/814,584 = 814,584/x
3. Step 3: Cross multiply
   381,060x = 814,584 × 814,584
4. Step 4: Simplify right side
   381,060x = 663,547,093,056
5. Step 5: Solve for x
   x = 663,547,093,056/381,060
6. Step 6: Final answer
   x = 1,741,319.20