Finding the Third Proportional to 105,216 and 235,438.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,216 : 235,438.50 = 235,438.50 : x
2. Step 2: Convert to fraction form
   105,216/235,438.50 = 235,438.50/x
3. Step 3: Cross multiply
   105,216x = 235,438.50 × 235,438.50
4. Step 4: Simplify right side
   105,216x = 55,431,287,282.25
5. Step 5: Solve for x
   x = 55,431,287,282.25/105,216
6. Step 6: Final answer
   x = 526,833.25