Finding the Third Proportional to 61,809 and 132,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,809 : 132,367.50 = 132,367.50 : x
2. Step 2: Convert to fraction form
   61,809/132,367.50 = 132,367.50/x
3. Step 3: Cross multiply
   61,809x = 132,367.50 × 132,367.50
4. Step 4: Simplify right side
   61,809x = 17,521,155,056.25
5. Step 5: Solve for x
   x = 17,521,155,056.25/61,809
6. Step 6: Final answer
   x = 283,472.55