Finding the Third Proportional to 138,010.50 and 281,826

Step by Step Solution

1. Step 1: Write the proportion equation
   138,010.50 : 281,826 = 281,826 : x
2. Step 2: Convert to fraction form
   138,010.50/281,826 = 281,826/x
3. Step 3: Cross multiply
   138,010.50x = 281,826 × 281,826
4. Step 4: Simplify right side
   138,010.50x = 79,425,894,276
5. Step 5: Solve for x
   x = 79,425,894,276/138,010.50
6. Step 6: Final answer
   x = 575,506.17