Finding the Third Proportional to 151,122 and 317,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,122 : 317,755.50 = 317,755.50 : x
2. Step 2: Convert to fraction form
   151,122/317,755.50 = 317,755.50/x
3. Step 3: Cross multiply
   151,122x = 317,755.50 × 317,755.50
4. Step 4: Simplify right side
   151,122x = 100,968,557,780.25
5. Step 5: Solve for x
   x = 100,968,557,780.25/151,122
6. Step 6: Final answer
   x = 668,126.14