Finding the Third Proportional to 33,528 and 69,810

Step by Step Solution

1. Step 1: Write the proportion equation
   33,528 : 69,810 = 69,810 : x
2. Step 2: Convert to fraction form
   33,528/69,810 = 69,810/x
3. Step 3: Cross multiply
   33,528x = 69,810 × 69,810
4. Step 4: Simplify right side
   33,528x = 4,873,436,100
5. Step 5: Solve for x
   x = 4,873,436,100/33,528
6. Step 6: Final answer
   x = 145,354.21