Finding the Third Proportional to 19,308 and 42,306.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,308 : 42,306.75 = 42,306.75 : x
2. Step 2: Convert to fraction form
   19,308/42,306.75 = 42,306.75/x
3. Step 3: Cross multiply
   19,308x = 42,306.75 × 42,306.75
4. Step 4: Simplify right side
   19,308x = 1,789,861,095.56
5. Step 5: Solve for x
   x = 1,789,861,095.56/19,308
6. Step 6: Final answer
   x = 92,700.49