Finding the Third Proportional to 661,972 and 1,428,928

Step by Step Solution

1. Step 1: Write the proportion equation
   661,972 : 1,428,928 = 1,428,928 : x
2. Step 2: Convert to fraction form
   661,972/1,428,928 = 1,428,928/x
3. Step 3: Cross multiply
   661,972x = 1,428,928 × 1,428,928
4. Step 4: Simplify right side
   661,972x = 2,041,835,229,184
5. Step 5: Solve for x
   x = 2,041,835,229,184/661,972
6. Step 6: Final answer
   x = 3,084,473.71