Finding the Third Proportional to 573,426 and 886,410

Step by Step Solution

1. Step 1: Write the proportion equation
   573,426 : 886,410 = 886,410 : x
2. Step 2: Convert to fraction form
   573,426/886,410 = 886,410/x
3. Step 3: Cross multiply
   573,426x = 886,410 × 886,410
4. Step 4: Simplify right side
   573,426x = 785,722,688,100
5. Step 5: Solve for x
   x = 785,722,688,100/573,426
6. Step 6: Final answer
   x = 1,370,225.08