Finding the Third Proportional to 70,876.69 and 136,557.56

Step by Step Solution

1. Step 1: Write the proportion equation
   70,876.69 : 136,557.56 = 136,557.56 : x
2. Step 2: Convert to fraction form
   70,876.69/136,557.56 = 136,557.56/x
3. Step 3: Cross multiply
   70,876.69x = 136,557.56 × 136,557.56
4. Step 4: Simplify right side
   70,876.69x = 18,647,967,875.94
5. Step 5: Solve for x
   x = 18,647,967,875.94/70,876.69
6. Step 6: Final answer
   x = 263,104.39