Finding the Third Proportional to 459,567 and 661,918.50

Step by Step Solution

1. Step 1: Write the proportion equation
   459,567 : 661,918.50 = 661,918.50 : x
2. Step 2: Convert to fraction form
   459,567/661,918.50 = 661,918.50/x
3. Step 3: Cross multiply
   459,567x = 661,918.50 × 661,918.50
4. Step 4: Simplify right side
   459,567x = 438,136,100,642.25
5. Step 5: Solve for x
   x = 438,136,100,642.25/459,567
6. Step 6: Final answer
   x = 953,367.19