Finding the Third Proportional to 12,761.30 and 27,705.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,761.30 : 27,705.80 = 27,705.80 : x
2. Step 2: Convert to fraction form
   12,761.30/27,705.80 = 27,705.80/x
3. Step 3: Cross multiply
   12,761.30x = 27,705.80 × 27,705.80
4. Step 4: Simplify right side
   12,761.30x = 767,611,180.48
5. Step 5: Solve for x
   x = 767,611,180.48/12,761.30
6. Step 6: Final answer
   x = 60,151.50