Finding the Third Proportional to 61,431.75 and 134,406

Step by Step Solution

1. Step 1: Write the proportion equation
   61,431.75 : 134,406 = 134,406 : x
2. Step 2: Convert to fraction form
   61,431.75/134,406 = 134,406/x
3. Step 3: Cross multiply
   61,431.75x = 134,406 × 134,406
4. Step 4: Simplify right side
   61,431.75x = 18,064,972,836
5. Step 5: Solve for x
   x = 18,064,972,836/61,431.75
6. Step 6: Final answer
   x = 294,065.74