Finding the Third Proportional to 200,058 and 309,565.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,058 : 309,565.50 = 309,565.50 : x
2. Step 2: Convert to fraction form
   200,058/309,565.50 = 309,565.50/x
3. Step 3: Cross multiply
   200,058x = 309,565.50 × 309,565.50
4. Step 4: Simplify right side
   200,058x = 95,830,798,790.25
5. Step 5: Solve for x
   x = 95,830,798,790.25/200,058
6. Step 6: Final answer
   x = 479,015.08