Finding the Third Proportional to 168,558 and 362,129.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,558 : 362,129.50 = 362,129.50 : x
2. Step 2: Convert to fraction form
   168,558/362,129.50 = 362,129.50/x
3. Step 3: Cross multiply
   168,558x = 362,129.50 × 362,129.50
4. Step 4: Simplify right side
   168,558x = 131,137,774,770.25
5. Step 5: Solve for x
   x = 131,137,774,770.25/168,558
6. Step 6: Final answer
   x = 777,997.93