Finding the Third Proportional to 199,159 and 426,271.75

Step by Step Solution

1. Step 1: Write the proportion equation
   199,159 : 426,271.75 = 426,271.75 : x
2. Step 2: Convert to fraction form
   199,159/426,271.75 = 426,271.75/x
3. Step 3: Cross multiply
   199,159x = 426,271.75 × 426,271.75
4. Step 4: Simplify right side
   199,159x = 181,707,604,848.06
5. Step 5: Solve for x
   x = 181,707,604,848.06/199,159
6. Step 6: Final answer
   x = 912,374.56