Finding the Third Proportional to 199,080 and 433,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,080 : 433,147.50 = 433,147.50 : x
2. Step 2: Convert to fraction form
   199,080/433,147.50 = 433,147.50/x
3. Step 3: Cross multiply
   199,080x = 433,147.50 × 433,147.50
4. Step 4: Simplify right side
   199,080x = 187,616,756,756.25
5. Step 5: Solve for x
   x = 187,616,756,756.25/199,080
6. Step 6: Final answer
   x = 942,418.91