Finding the Third Proportional to 156,208 and 333,136

Step by Step Solution

1. Step 1: Write the proportion equation
   156,208 : 333,136 = 333,136 : x
2. Step 2: Convert to fraction form
   156,208/333,136 = 333,136/x
3. Step 3: Cross multiply
   156,208x = 333,136 × 333,136
4. Step 4: Simplify right side
   156,208x = 110,979,594,496
5. Step 5: Solve for x
   x = 110,979,594,496/156,208
6. Step 6: Final answer
   x = 710,460.38