Finding the Third Proportional to 1,166,438 and 1,668,007

Step by Step Solution

1. Step 1: Write the proportion equation
   1,166,438 : 1,668,007 = 1,668,007 : x
2. Step 2: Convert to fraction form
   1,166,438/1,668,007 = 1,668,007/x
3. Step 3: Cross multiply
   1,166,438x = 1,668,007 × 1,668,007
4. Step 4: Simplify right side
   1,166,438x = 2,782,247,352,049
5. Step 5: Solve for x
   x = 2,782,247,352,049/1,166,438
6. Step 6: Final answer
   x = 2,385,250.95