Finding the Third Proportional to 864,270 and 1,308,330

Step by Step Solution

1. Step 1: Write the proportion equation
   864,270 : 1,308,330 = 1,308,330 : x
2. Step 2: Convert to fraction form
   864,270/1,308,330 = 1,308,330/x
3. Step 3: Cross multiply
   864,270x = 1,308,330 × 1,308,330
4. Step 4: Simplify right side
   864,270x = 1,711,727,388,900
5. Step 5: Solve for x
   x = 1,711,727,388,900/864,270
6. Step 6: Final answer
   x = 1,980,547.04