Finding the Third Proportional to 159,318 and 347,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,318 : 347,620.50 = 347,620.50 : x
2. Step 2: Convert to fraction form
   159,318/347,620.50 = 347,620.50/x
3. Step 3: Cross multiply
   159,318x = 347,620.50 × 347,620.50
4. Step 4: Simplify right side
   159,318x = 120,840,012,020.25
5. Step 5: Solve for x
   x = 120,840,012,020.25/159,318
6. Step 6: Final answer
   x = 758,483.11