Finding the Third Proportional to 61,411.50 and 133,191

Step by Step Solution

1. Step 1: Write the proportion equation
   61,411.50 : 133,191 = 133,191 : x
2. Step 2: Convert to fraction form
   61,411.50/133,191 = 133,191/x
3. Step 3: Cross multiply
   61,411.50x = 133,191 × 133,191
4. Step 4: Simplify right side
   61,411.50x = 17,739,842,481
5. Step 5: Solve for x
   x = 17,739,842,481/61,411.50
6. Step 6: Final answer
   x = 288,868.41