Finding the Third Proportional to 155,454 and 236,221.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,454 : 236,221.50 = 236,221.50 : x
2. Step 2: Convert to fraction form
   155,454/236,221.50 = 236,221.50/x
3. Step 3: Cross multiply
   155,454x = 236,221.50 × 236,221.50
4. Step 4: Simplify right side
   155,454x = 55,800,597,062.25
5. Step 5: Solve for x
   x = 55,800,597,062.25/155,454
6. Step 6: Final answer
   x = 358,952.47