Finding the Third Proportional to 155,448 and 236,212.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,448 : 236,212.50 = 236,212.50 : x
2. Step 2: Convert to fraction form
   155,448/236,212.50 = 236,212.50/x
3. Step 3: Cross multiply
   155,448x = 236,212.50 × 236,212.50
4. Step 4: Simplify right side
   155,448x = 55,796,345,156.25
5. Step 5: Solve for x
   x = 55,796,345,156.25/155,448
6. Step 6: Final answer
   x = 358,938.97