Finding the Third Proportional to 921,316 and 1,993,545

Step by Step Solution

1. Step 1: Write the proportion equation
   921,316 : 1,993,545 = 1,993,545 : x
2. Step 2: Convert to fraction form
   921,316/1,993,545 = 1,993,545/x
3. Step 3: Cross multiply
   921,316x = 1,993,545 × 1,993,545
4. Step 4: Simplify right side
   921,316x = 3,974,221,667,025
5. Step 5: Solve for x
   x = 3,974,221,667,025/921,316
6. Step 6: Final answer
   x = 4,313,635.79