Finding the Third Proportional to 33,531.19 and 69,816.38

Step by Step Solution

1. Step 1: Write the proportion equation
   33,531.19 : 69,816.38 = 69,816.38 : x
2. Step 2: Convert to fraction form
   33,531.19/69,816.38 = 69,816.38/x
3. Step 3: Cross multiply
   33,531.19x = 69,816.38 × 69,816.38
4. Step 4: Simplify right side
   33,531.19x = 4,874,326,218.14
5. Step 5: Solve for x
   x = 4,874,326,218.14/33,531.19
6. Step 6: Final answer
   x = 145,366.94