Finding the Third Proportional to 787,362 and 1,221,507

Step by Step Solution

1. Step 1: Write the proportion equation
   787,362 : 1,221,507 = 1,221,507 : x
2. Step 2: Convert to fraction form
   787,362/1,221,507 = 1,221,507/x
3. Step 3: Cross multiply
   787,362x = 1,221,507 × 1,221,507
4. Step 4: Simplify right side
   787,362x = 1,492,079,351,049
5. Step 5: Solve for x
   x = 1,492,079,351,049/787,362
6. Step 6: Final answer
   x = 1,895,036.02