Finding the Third Proportional to 370,131.50 and 557,929

Step by Step Solution

1. Step 1: Write the proportion equation
   370,131.50 : 557,929 = 557,929 : x
2. Step 2: Convert to fraction form
   370,131.50/557,929 = 557,929/x
3. Step 3: Cross multiply
   370,131.50x = 557,929 × 557,929
4. Step 4: Simplify right side
   370,131.50x = 311,284,769,041
5. Step 5: Solve for x
   x = 311,284,769,041/370,131.50
6. Step 6: Final answer
   x = 841,011.29