Finding the Third Proportional to 1,382,346 and 2,145,447

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382,346 : 2,145,447 = 2,145,447 : x
2. Step 2: Convert to fraction form
   1,382,346/2,145,447 = 2,145,447/x
3. Step 3: Cross multiply
   1,382,346x = 2,145,447 × 2,145,447
4. Step 4: Simplify right side
   1,382,346x = 4,602,942,829,809
5. Step 5: Solve for x
   x = 4,602,942,829,809/1,382,346
6. Step 6: Final answer
   x = 3,329,805.15