Finding the Third Proportional to 1,072,970 and 1,620,398

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,970 : 1,620,398 = 1,620,398 : x
2. Step 2: Convert to fraction form
   1,072,970/1,620,398 = 1,620,398/x
3. Step 3: Cross multiply
   1,072,970x = 1,620,398 × 1,620,398
4. Step 4: Simplify right side
   1,072,970x = 2,625,689,678,404
5. Step 5: Solve for x
   x = 2,625,689,678,404/1,072,970
6. Step 6: Final answer
   x = 2,447,123.11