Finding the Third Proportional to 35,717.50 and 53,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,717.50 : 53,900.50 = 53,900.50 : x
2. Step 2: Convert to fraction form
   35,717.50/53,900.50 = 53,900.50/x
3. Step 3: Cross multiply
   35,717.50x = 53,900.50 × 53,900.50
4. Step 4: Simplify right side
   35,717.50x = 2,905,263,900.25
5. Step 5: Solve for x
   x = 2,905,263,900.25/35,717.50
6. Step 6: Final answer
   x = 81,340.07