Finding the Third Proportional to 136,624 and 280,051

Step by Step Solution

1. Step 1: Write the proportion equation
   136,624 : 280,051 = 280,051 : x
2. Step 2: Convert to fraction form
   136,624/280,051 = 280,051/x
3. Step 3: Cross multiply
   136,624x = 280,051 × 280,051
4. Step 4: Simplify right side
   136,624x = 78,428,562,601
5. Step 5: Solve for x
   x = 78,428,562,601/136,624
6. Step 6: Final answer
   x = 574,046.75