Finding the Third Proportional to 35,671.50 and 53,409.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,671.50 : 53,409.50 = 53,409.50 : x
2. Step 2: Convert to fraction form
   35,671.50/53,409.50 = 53,409.50/x
3. Step 3: Cross multiply
   35,671.50x = 53,409.50 × 53,409.50
4. Step 4: Simplify right side
   35,671.50x = 2,852,574,690.25
5. Step 5: Solve for x
   x = 2,852,574,690.25/35,671.50
6. Step 6: Final answer
   x = 79,967.89