Finding the Third Proportional to 168,061.50 and 364,378.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,061.50 : 364,378.50 = 364,378.50 : x
2. Step 2: Convert to fraction form
   168,061.50/364,378.50 = 364,378.50/x
3. Step 3: Cross multiply
   168,061.50x = 364,378.50 × 364,378.50
4. Step 4: Simplify right side
   168,061.50x = 132,771,691,262.25
5. Step 5: Solve for x
   x = 132,771,691,262.25/168,061.50
6. Step 6: Final answer
   x = 790,018.48