Finding the Third Proportional to 35,257.50 and 73,431

Step by Step Solution

1. Step 1: Write the proportion equation
   35,257.50 : 73,431 = 73,431 : x
2. Step 2: Convert to fraction form
   35,257.50/73,431 = 73,431/x
3. Step 3: Cross multiply
   35,257.50x = 73,431 × 73,431
4. Step 4: Simplify right side
   35,257.50x = 5,392,111,761
5. Step 5: Solve for x
   x = 5,392,111,761/35,257.50
6. Step 6: Final answer
   x = 152,935.17