Finding the Third Proportional to 61,821 and 132,388.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,821 : 132,388.50 = 132,388.50 : x
2. Step 2: Convert to fraction form
   61,821/132,388.50 = 132,388.50/x
3. Step 3: Cross multiply
   61,821x = 132,388.50 × 132,388.50
4. Step 4: Simplify right side
   61,821x = 17,526,714,932.25
5. Step 5: Solve for x
   x = 17,526,714,932.25/61,821
6. Step 6: Final answer
   x = 283,507.46