Finding the Third Proportional to 486,670.50 and 650,997

Step by Step Solution

1. Step 1: Write the proportion equation
   486,670.50 : 650,997 = 650,997 : x
2. Step 2: Convert to fraction form
   486,670.50/650,997 = 650,997/x
3. Step 3: Cross multiply
   486,670.50x = 650,997 × 650,997
4. Step 4: Simplify right side
   486,670.50x = 423,797,094,009
5. Step 5: Solve for x
   x = 423,797,094,009/486,670.50
6. Step 6: Final answer
   x = 870,809.09