Finding the Third Proportional to 155,991 and 228,136.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,991 : 228,136.50 = 228,136.50 : x
2. Step 2: Convert to fraction form
   155,991/228,136.50 = 228,136.50/x
3. Step 3: Cross multiply
   155,991x = 228,136.50 × 228,136.50
4. Step 4: Simplify right side
   155,991x = 52,046,262,632.25
5. Step 5: Solve for x
   x = 52,046,262,632.25/155,991
6. Step 6: Final answer
   x = 333,649.14