Finding the Third Proportional to 155,964 and 222,862.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,964 : 222,862.50 = 222,862.50 : x
2. Step 2: Convert to fraction form
   155,964/222,862.50 = 222,862.50/x
3. Step 3: Cross multiply
   155,964x = 222,862.50 × 222,862.50
4. Step 4: Simplify right side
   155,964x = 49,667,693,906.25
5. Step 5: Solve for x
   x = 49,667,693,906.25/155,964
6. Step 6: Final answer
   x = 318,456.14