Finding the Third Proportional to 460,756.48 and 721,231.59

Step by Step Solution

1. Step 1: Write the proportion equation
   460,756.48 : 721,231.59 = 721,231.59 : x
2. Step 2: Convert to fraction form
   460,756.48/721,231.59 = 721,231.59/x
3. Step 3: Cross multiply
   460,756.48x = 721,231.59 × 721,231.59
4. Step 4: Simplify right side
   460,756.48x = 520,175,011,823.17
5. Step 5: Solve for x
   x = 520,175,011,823.17/460,756.48
6. Step 6: Final answer
   x = 1,128,958.65