Finding the Third Proportional to 45,889 and 67,172

Step by Step Solution

1. Step 1: Write the proportion equation
   45,889 : 67,172 = 67,172 : x
2. Step 2: Convert to fraction form
   45,889/67,172 = 67,172/x
3. Step 3: Cross multiply
   45,889x = 67,172 × 67,172
4. Step 4: Simplify right side
   45,889x = 4,512,077,584
5. Step 5: Solve for x
   x = 4,512,077,584/45,889
6. Step 6: Final answer
   x = 98,325.91