Finding the Third Proportional to 61,067.50 and 132,579.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,067.50 : 132,579.50 = 132,579.50 : x
2. Step 2: Convert to fraction form
   61,067.50/132,579.50 = 132,579.50/x
3. Step 3: Cross multiply
   61,067.50x = 132,579.50 × 132,579.50
4. Step 4: Simplify right side
   61,067.50x = 17,577,323,820.25
5. Step 5: Solve for x
   x = 17,577,323,820.25/61,067.50
6. Step 6: Final answer
   x = 287,834.34