Finding the Third Proportional to 460,764 and 721,243.50

Step by Step Solution

1. Step 1: Write the proportion equation
   460,764 : 721,243.50 = 721,243.50 : x
2. Step 2: Convert to fraction form
   460,764/721,243.50 = 721,243.50/x
3. Step 3: Cross multiply
   460,764x = 721,243.50 × 721,243.50
4. Step 4: Simplify right side
   460,764x = 520,192,186,292.25
5. Step 5: Solve for x
   x = 520,192,186,292.25/460,764
6. Step 6: Final answer
   x = 1,128,977.49