Finding the Third Proportional to 34,300 and 69,554

Step by Step Solution

1. Step 1: Write the proportion equation
   34,300 : 69,554 = 69,554 : x
2. Step 2: Convert to fraction form
   34,300/69,554 = 69,554/x
3. Step 3: Cross multiply
   34,300x = 69,554 × 69,554
4. Step 4: Simplify right side
   34,300x = 4,837,758,916
5. Step 5: Solve for x
   x = 4,837,758,916/34,300
6. Step 6: Final answer
   x = 141,042.53