Finding the Third Proportional to 72,813 and 155,748.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,813 : 155,748.75 = 155,748.75 : x
2. Step 2: Convert to fraction form
   72,813/155,748.75 = 155,748.75/x
3. Step 3: Cross multiply
   72,813x = 155,748.75 × 155,748.75
4. Step 4: Simplify right side
   72,813x = 24,257,673,126.56
5. Step 5: Solve for x
   x = 24,257,673,126.56/72,813
6. Step 6: Final answer
   x = 333,150.30