Finding the Third Proportional to 155,763 and 243,060.75

Step by Step Solution

1. Step 1: Write the proportion equation
   155,763 : 243,060.75 = 243,060.75 : x
2. Step 2: Convert to fraction form
   155,763/243,060.75 = 243,060.75/x
3. Step 3: Cross multiply
   155,763x = 243,060.75 × 243,060.75
4. Step 4: Simplify right side
   155,763x = 59,078,528,190.56
5. Step 5: Solve for x
   x = 59,078,528,190.56/155,763
6. Step 6: Final answer
   x = 379,284.74