Finding the Third Proportional to 54,583 and 81,536.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,583 : 81,536.50 = 81,536.50 : x
2. Step 2: Convert to fraction form
   54,583/81,536.50 = 81,536.50/x
3. Step 3: Cross multiply
   54,583x = 81,536.50 × 81,536.50
4. Step 4: Simplify right side
   54,583x = 6,648,200,832.25
5. Step 5: Solve for x
   x = 6,648,200,832.25/54,583
6. Step 6: Final answer
   x = 121,799.84