Finding the Third Proportional to 1,302,972 and 1,993,209

Step by Step Solution

1. Step 1: Write the proportion equation
   1,302,972 : 1,993,209 = 1,993,209 : x
2. Step 2: Convert to fraction form
   1,302,972/1,993,209 = 1,993,209/x
3. Step 3: Cross multiply
   1,302,972x = 1,993,209 × 1,993,209
4. Step 4: Simplify right side
   1,302,972x = 3,972,882,117,681
5. Step 5: Solve for x
   x = 3,972,882,117,681/1,302,972
6. Step 6: Final answer
   x = 3,049,092.47