Finding the Third Proportional to 672,300 and 1,406,928

Step by Step Solution

1. Step 1: Write the proportion equation
   672,300 : 1,406,928 = 1,406,928 : x
2. Step 2: Convert to fraction form
   672,300/1,406,928 = 1,406,928/x
3. Step 3: Cross multiply
   672,300x = 1,406,928 × 1,406,928
4. Step 4: Simplify right side
   672,300x = 1,979,446,397,184
5. Step 5: Solve for x
   x = 1,979,446,397,184/672,300
6. Step 6: Final answer
   x = 2,944,290.34