Finding the Third Proportional to 113,190 and 237,394.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,190 : 237,394.50 = 237,394.50 : x
2. Step 2: Convert to fraction form
   113,190/237,394.50 = 237,394.50/x
3. Step 3: Cross multiply
   113,190x = 237,394.50 × 237,394.50
4. Step 4: Simplify right side
   113,190x = 56,356,148,630.25
5. Step 5: Solve for x
   x = 56,356,148,630.25/113,190
6. Step 6: Final answer
   x = 497,889.82