Finding the Third Proportional to 460,759 and 721,235.50

Step by Step Solution

1. Step 1: Write the proportion equation
   460,759 : 721,235.50 = 721,235.50 : x
2. Step 2: Convert to fraction form
   460,759/721,235.50 = 721,235.50/x
3. Step 3: Cross multiply
   460,759x = 721,235.50 × 721,235.50
4. Step 4: Simplify right side
   460,759x = 520,180,646,460.25
5. Step 5: Solve for x
   x = 520,180,646,460.25/460,759
6. Step 6: Final answer
   x = 1,128,964.70