Finding the Third Proportional to 55,773 and 81,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,773 : 81,799.50 = 81,799.50 : x
2. Step 2: Convert to fraction form
   55,773/81,799.50 = 81,799.50/x
3. Step 3: Cross multiply
   55,773x = 81,799.50 × 81,799.50
4. Step 4: Simplify right side
   55,773x = 6,691,158,200.25
5. Step 5: Solve for x
   x = 6,691,158,200.25/55,773
6. Step 6: Final answer
   x = 119,971.28