Finding the Third Proportional to 28,380.80 and 59,701.64

Step by Step Solution

1. Step 1: Write the proportion equation
   28,380.80 : 59,701.64 = 59,701.64 : x
2. Step 2: Convert to fraction form
   28,380.80/59,701.64 = 59,701.64/x
3. Step 3: Cross multiply
   28,380.80x = 59,701.64 × 59,701.64
4. Step 4: Simplify right side
   28,380.80x = 3,564,285,893.32
5. Step 5: Solve for x
   x = 3,564,285,893.32/28,380.80
6. Step 6: Final answer
   x = 125,587.94