Finding the Third Proportional to 189,579 and 438,883.50

Step by Step Solution

1. Step 1: Write the proportion equation
   189,579 : 438,883.50 = 438,883.50 : x
2. Step 2: Convert to fraction form
   189,579/438,883.50 = 438,883.50/x
3. Step 3: Cross multiply
   189,579x = 438,883.50 × 438,883.50
4. Step 4: Simplify right side
   189,579x = 192,618,726,572.25
5. Step 5: Solve for x
   x = 192,618,726,572.25/189,579
6. Step 6: Final answer
   x = 1,016,034.09