Finding the Third Proportional to 168,090 and 364,180.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,090 : 364,180.50 = 364,180.50 : x
2. Step 2: Convert to fraction form
   168,090/364,180.50 = 364,180.50/x
3. Step 3: Cross multiply
   168,090x = 364,180.50 × 364,180.50
4. Step 4: Simplify right side
   168,090x = 132,627,436,580.25
5. Step 5: Solve for x
   x = 132,627,436,580.25/168,090
6. Step 6: Final answer
   x = 789,026.33