Finding the Third Proportional to 199,515 and 437,798.25

Step by Step Solution

1. Step 1: Write the proportion equation
   199,515 : 437,798.25 = 437,798.25 : x
2. Step 2: Convert to fraction form
   199,515/437,798.25 = 437,798.25/x
3. Step 3: Cross multiply
   199,515x = 437,798.25 × 437,798.25
4. Step 4: Simplify right side
   199,515x = 191,667,307,703.06
5. Step 5: Solve for x
   x = 191,667,307,703.06/199,515
6. Step 6: Final answer
   x = 960,666.15