Finding the Third Proportional to 73,908 and 152,172

Step by Step Solution

1. Step 1: Write the proportion equation
   73,908 : 152,172 = 152,172 : x
2. Step 2: Convert to fraction form
   73,908/152,172 = 152,172/x
3. Step 3: Cross multiply
   73,908x = 152,172 × 152,172
4. Step 4: Simplify right side
   73,908x = 23,156,317,584
5. Step 5: Solve for x
   x = 23,156,317,584/73,908
6. Step 6: Final answer
   x = 313,312.73