Finding the Third Proportional to 61,200 and 133,632

Step by Step Solution

1. Step 1: Write the proportion equation
   61,200 : 133,632 = 133,632 : x
2. Step 2: Convert to fraction form
   61,200/133,632 = 133,632/x
3. Step 3: Cross multiply
   61,200x = 133,632 × 133,632
4. Step 4: Simplify right side
   61,200x = 17,857,511,424
5. Step 5: Solve for x
   x = 17,857,511,424/61,200
6. Step 6: Final answer
   x = 291,789.40