Finding the Third Proportional to 69,766 and 155,030

Step by Step Solution

1. Step 1: Write the proportion equation
   69,766 : 155,030 = 155,030 : x
2. Step 2: Convert to fraction form
   69,766/155,030 = 155,030/x
3. Step 3: Cross multiply
   69,766x = 155,030 × 155,030
4. Step 4: Simplify right side
   69,766x = 24,034,300,900
5. Step 5: Solve for x
   x = 24,034,300,900/69,766
6. Step 6: Final answer
   x = 344,498.77