Finding the Third Proportional to 35,288 and 56,172

Step by Step Solution

1. Step 1: Write the proportion equation
   35,288 : 56,172 = 56,172 : x
2. Step 2: Convert to fraction form
   35,288/56,172 = 56,172/x
3. Step 3: Cross multiply
   35,288x = 56,172 × 56,172
4. Step 4: Simplify right side
   35,288x = 3,155,293,584
5. Step 5: Solve for x
   x = 3,155,293,584/35,288
6. Step 6: Final answer
   x = 89,415.48