Finding the Third Proportional to 238,774.50 and 361,236

Step by Step Solution

1. Step 1: Write the proportion equation
   238,774.50 : 361,236 = 361,236 : x
2. Step 2: Convert to fraction form
   238,774.50/361,236 = 361,236/x
3. Step 3: Cross multiply
   238,774.50x = 361,236 × 361,236
4. Step 4: Simplify right side
   238,774.50x = 130,491,447,696
5. Step 5: Solve for x
   x = 130,491,447,696/238,774.50
6. Step 6: Final answer
   x = 546,504.96