Finding the Third Proportional to 45,172 and 99,068

Step by Step Solution

1. Step 1: Write the proportion equation
   45,172 : 99,068 = 99,068 : x
2. Step 2: Convert to fraction form
   45,172/99,068 = 99,068/x
3. Step 3: Cross multiply
   45,172x = 99,068 × 99,068
4. Step 4: Simplify right side
   45,172x = 9,814,468,624
5. Step 5: Solve for x
   x = 9,814,468,624/45,172
6. Step 6: Final answer
   x = 217,268.85