Finding the Third Proportional to 27,772.88 and 59,909.63

Step by Step Solution

1. Step 1: Write the proportion equation
   27,772.88 : 59,909.63 = 59,909.63 : x
2. Step 2: Convert to fraction form
   27,772.88/59,909.63 = 59,909.63/x
3. Step 3: Cross multiply
   27,772.88x = 59,909.63 × 59,909.63
4. Step 4: Simplify right side
   27,772.88x = 3,589,163,167.64
5. Step 5: Solve for x
   x = 3,589,163,167.64/27,772.88
6. Step 6: Final answer
   x = 129,232.68