Finding the Third Proportional to 109,115 and 234,830.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,115 : 234,830.50 = 234,830.50 : x
2. Step 2: Convert to fraction form
   109,115/234,830.50 = 234,830.50/x
3. Step 3: Cross multiply
   109,115x = 234,830.50 × 234,830.50
4. Step 4: Simplify right side
   109,115x = 55,145,363,730.25
5. Step 5: Solve for x
   x = 55,145,363,730.25/109,115
6. Step 6: Final answer
   x = 505,387.56