Finding the Third Proportional to 168,870 and 364,036

Step by Step Solution

1. Step 1: Write the proportion equation
   168,870 : 364,036 = 364,036 : x
2. Step 2: Convert to fraction form
   168,870/364,036 = 364,036/x
3. Step 3: Cross multiply
   168,870x = 364,036 × 364,036
4. Step 4: Simplify right side
   168,870x = 132,522,209,296
5. Step 5: Solve for x
   x = 132,522,209,296/168,870
6. Step 6: Final answer
   x = 784,758.75