Finding the Third Proportional to 151,600.50 and 311,943

Step by Step Solution

1. Step 1: Write the proportion equation
   151,600.50 : 311,943 = 311,943 : x
2. Step 2: Convert to fraction form
   151,600.50/311,943 = 311,943/x
3. Step 3: Cross multiply
   151,600.50x = 311,943 × 311,943
4. Step 4: Simplify right side
   151,600.50x = 97,308,435,249
5. Step 5: Solve for x
   x = 97,308,435,249/151,600.50
6. Step 6: Final answer
   x = 641,874.10