Finding the Third Proportional to 37,116 and 80,172

Step by Step Solution

1. Step 1: Write the proportion equation
   37,116 : 80,172 = 80,172 : x
2. Step 2: Convert to fraction form
   37,116/80,172 = 80,172/x
3. Step 3: Cross multiply
   37,116x = 80,172 × 80,172
4. Step 4: Simplify right side
   37,116x = 6,427,549,584
5. Step 5: Solve for x
   x = 6,427,549,584/37,116
6. Step 6: Final answer
   x = 173,174.63