Finding the Third Proportional to 72,107 and 155,308

Step by Step Solution

1. Step 1: Write the proportion equation
   72,107 : 155,308 = 155,308 : x
2. Step 2: Convert to fraction form
   72,107/155,308 = 155,308/x
3. Step 3: Cross multiply
   72,107x = 155,308 × 155,308
4. Step 4: Simplify right side
   72,107x = 24,120,574,864
5. Step 5: Solve for x
   x = 24,120,574,864/72,107
6. Step 6: Final answer
   x = 334,510.86