Finding the Third Proportional to 610,680.50 and 898,250

Step by Step Solution

1. Step 1: Write the proportion equation
   610,680.50 : 898,250 = 898,250 : x
2. Step 2: Convert to fraction form
   610,680.50/898,250 = 898,250/x
3. Step 3: Cross multiply
   610,680.50x = 898,250 × 898,250
4. Step 4: Simplify right side
   610,680.50x = 806,853,062,500
5. Step 5: Solve for x
   x = 806,853,062,500/610,680.50
6. Step 6: Final answer
   x = 1,321,236.00