Finding the Third Proportional to 151,119 and 317,749.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,119 : 317,749.50 = 317,749.50 : x
2. Step 2: Convert to fraction form
   151,119/317,749.50 = 317,749.50/x
3. Step 3: Cross multiply
   151,119x = 317,749.50 × 317,749.50
4. Step 4: Simplify right side
   151,119x = 100,964,744,750.25
5. Step 5: Solve for x
   x = 100,964,744,750.25/151,119
6. Step 6: Final answer
   x = 668,114.17