Finding the Third Proportional to 166,848 and 393,690.75

Step by Step Solution

1. Step 1: Write the proportion equation
   166,848 : 393,690.75 = 393,690.75 : x
2. Step 2: Convert to fraction form
   166,848/393,690.75 = 393,690.75/x
3. Step 3: Cross multiply
   166,848x = 393,690.75 × 393,690.75
4. Step 4: Simplify right side
   166,848x = 154,992,406,635.56
5. Step 5: Solve for x
   x = 154,992,406,635.56/166,848
6. Step 6: Final answer
   x = 928,943.75