Finding the Third Proportional to 59,322 and 128,850

Step by Step Solution

1. Step 1: Write the proportion equation
   59,322 : 128,850 = 128,850 : x
2. Step 2: Convert to fraction form
   59,322/128,850 = 128,850/x
3. Step 3: Cross multiply
   59,322x = 128,850 × 128,850
4. Step 4: Simplify right side
   59,322x = 16,602,322,500
5. Step 5: Solve for x
   x = 16,602,322,500/59,322
6. Step 6: Final answer
   x = 279,867.88