Finding the Third Proportional to 1,329,231 and 1,993,359

Step by Step Solution

1. Step 1: Write the proportion equation
   1,329,231 : 1,993,359 = 1,993,359 : x
2. Step 2: Convert to fraction form
   1,329,231/1,993,359 = 1,993,359/x
3. Step 3: Cross multiply
   1,329,231x = 1,993,359 × 1,993,359
4. Step 4: Simplify right side
   1,329,231x = 3,973,480,102,881
5. Step 5: Solve for x
   x = 3,973,480,102,881/1,329,231
6. Step 6: Final answer
   x = 2,989,307.43