Finding the Third Proportional to 921,314 and 1,993,538

Step by Step Solution

1. Step 1: Write the proportion equation
   921,314 : 1,993,538 = 1,993,538 : x
2. Step 2: Convert to fraction form
   921,314/1,993,538 = 1,993,538/x
3. Step 3: Cross multiply
   921,314x = 1,993,538 × 1,993,538
4. Step 4: Simplify right side
   921,314x = 3,974,193,757,444
5. Step 5: Solve for x
   x = 3,974,193,757,444/921,314
6. Step 6: Final answer
   x = 4,313,614.86