Finding the Third Proportional to 35,643.38 and 55,436.06

Step by Step Solution

1. Step 1: Write the proportion equation
   35,643.38 : 55,436.06 = 55,436.06 : x
2. Step 2: Convert to fraction form
   35,643.38/55,436.06 = 55,436.06/x
3. Step 3: Cross multiply
   35,643.38x = 55,436.06 × 55,436.06
4. Step 4: Simplify right side
   35,643.38x = 3,073,157,025.50
5. Step 5: Solve for x
   x = 3,073,157,025.50/35,643.38
6. Step 6: Final answer
   x = 86,219.59