Finding the Third Proportional to 1,355,892 and 2,972,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,892 : 2,972,280 = 2,972,280 : x
2. Step 2: Convert to fraction form
   1,355,892/2,972,280 = 2,972,280/x
3. Step 3: Cross multiply
   1,355,892x = 2,972,280 × 2,972,280
4. Step 4: Simplify right side
   1,355,892x = 8,834,448,398,400
5. Step 5: Solve for x
   x = 8,834,448,398,400/1,355,892
6. Step 6: Final answer
   x = 6,515,598.88