Finding the Third Proportional to 105,803.72 and 155,322.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,803.72 : 155,322.56 = 155,322.56 : x
2. Step 2: Convert to fraction form
   105,803.72/155,322.56 = 155,322.56/x
3. Step 3: Cross multiply
   105,803.72x = 155,322.56 × 155,322.56
4. Step 4: Simplify right side
   105,803.72x = 24,125,098,421.57
5. Step 5: Solve for x
   x = 24,125,098,421.57/105,803.72
6. Step 6: Final answer
   x = 228,017.49