Finding the Third Proportional to 371,317.50 and 557,793

Step by Step Solution

1. Step 1: Write the proportion equation
   371,317.50 : 557,793 = 557,793 : x
2. Step 2: Convert to fraction form
   371,317.50/557,793 = 557,793/x
3. Step 3: Cross multiply
   371,317.50x = 557,793 × 557,793
4. Step 4: Simplify right side
   371,317.50x = 311,133,030,849
5. Step 5: Solve for x
   x = 311,133,030,849/371,317.50
6. Step 6: Final answer
   x = 837,916.42