Finding the Third Proportional to 577,125 and 862,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   577,125 : 862,456.50 = 862,456.50 : x
2. Step 2: Convert to fraction form
   577,125/862,456.50 = 862,456.50/x
3. Step 3: Cross multiply
   577,125x = 862,456.50 × 862,456.50
4. Step 4: Simplify right side
   577,125x = 743,831,214,392.25
5. Step 5: Solve for x
   x = 743,831,214,392.25/577,125
6. Step 6: Final answer
   x = 1,288,856.34