Finding the Third Proportional to 113,078.25 and 237,780

Step by Step Solution

1. Step 1: Write the proportion equation
   113,078.25 : 237,780 = 237,780 : x
2. Step 2: Convert to fraction form
   113,078.25/237,780 = 237,780/x
3. Step 3: Cross multiply
   113,078.25x = 237,780 × 237,780
4. Step 4: Simplify right side
   113,078.25x = 56,539,328,400
5. Step 5: Solve for x
   x = 56,539,328,400/113,078.25
6. Step 6: Final answer
   x = 500,001.80