Finding the Third Proportional to 588,636 and 911,250

Step by Step Solution

1. Step 1: Write the proportion equation
   588,636 : 911,250 = 911,250 : x
2. Step 2: Convert to fraction form
   588,636/911,250 = 911,250/x
3. Step 3: Cross multiply
   588,636x = 911,250 × 911,250
4. Step 4: Simplify right side
   588,636x = 830,376,562,500
5. Step 5: Solve for x
   x = 830,376,562,500/588,636
6. Step 6: Final answer
   x = 1,410,679.20