Finding the Third Proportional to 240,748.50 and 512,601

Step by Step Solution

1. Step 1: Write the proportion equation
   240,748.50 : 512,601 = 512,601 : x
2. Step 2: Convert to fraction form
   240,748.50/512,601 = 512,601/x
3. Step 3: Cross multiply
   240,748.50x = 512,601 × 512,601
4. Step 4: Simplify right side
   240,748.50x = 262,759,785,201
5. Step 5: Solve for x
   x = 262,759,785,201/240,748.50
6. Step 6: Final answer
   x = 1,091,428.55