Finding the Third Proportional to 341,131.50 and 511,707

Step by Step Solution

1. Step 1: Write the proportion equation
   341,131.50 : 511,707 = 511,707 : x
2. Step 2: Convert to fraction form
   341,131.50/511,707 = 511,707/x
3. Step 3: Cross multiply
   341,131.50x = 511,707 × 511,707
4. Step 4: Simplify right side
   341,131.50x = 261,844,053,849
5. Step 5: Solve for x
   x = 261,844,053,849/341,131.50
6. Step 6: Final answer
   x = 767,575.13