Finding the Third Proportional to 131,815 and 311,034.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,815 : 311,034.50 = 311,034.50 : x
2. Step 2: Convert to fraction form
   131,815/311,034.50 = 311,034.50/x
3. Step 3: Cross multiply
   131,815x = 311,034.50 × 311,034.50
4. Step 4: Simplify right side
   131,815x = 96,742,460,190.25
5. Step 5: Solve for x
   x = 96,742,460,190.25/131,815
6. Step 6: Final answer
   x = 733,926.03