Finding the Third Proportional to 363,369 and 557,764.50

Step by Step Solution

1. Step 1: Write the proportion equation
   363,369 : 557,764.50 = 557,764.50 : x
2. Step 2: Convert to fraction form
   363,369/557,764.50 = 557,764.50/x
3. Step 3: Cross multiply
   363,369x = 557,764.50 × 557,764.50
4. Step 4: Simplify right side
   363,369x = 311,101,237,460.25
5. Step 5: Solve for x
   x = 311,101,237,460.25/363,369
6. Step 6: Final answer
   x = 856,157.89