Finding the Third Proportional to 168,559 and 362,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,559 : 362,131.50 = 362,131.50 : x
2. Step 2: Convert to fraction form
   168,559/362,131.50 = 362,131.50/x
3. Step 3: Cross multiply
   168,559x = 362,131.50 × 362,131.50
4. Step 4: Simplify right side
   168,559x = 131,139,223,292.25
5. Step 5: Solve for x
   x = 131,139,223,292.25/168,559
6. Step 6: Final answer
   x = 778,001.91