Finding the Third Proportional to 155,953 and 243,037.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,953 : 243,037.50 = 243,037.50 : x
2. Step 2: Convert to fraction form
   155,953/243,037.50 = 243,037.50/x
3. Step 3: Cross multiply
   155,953x = 243,037.50 × 243,037.50
4. Step 4: Simplify right side
   155,953x = 59,067,226,406.25
5. Step 5: Solve for x
   x = 59,067,226,406.25/155,953
6. Step 6: Final answer
   x = 378,750.18