Finding the Third Proportional to 35,615.50 and 76,172

Step by Step Solution

1. Step 1: Write the proportion equation
   35,615.50 : 76,172 = 76,172 : x
2. Step 2: Convert to fraction form
   35,615.50/76,172 = 76,172/x
3. Step 3: Cross multiply
   35,615.50x = 76,172 × 76,172
4. Step 4: Simplify right side
   35,615.50x = 5,802,173,584
5. Step 5: Solve for x
   x = 5,802,173,584/35,615.50
6. Step 6: Final answer
   x = 162,911.47