Finding the Third Proportional to 1,212,192 and 1,901,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,212,192 : 1,901,664 = 1,901,664 : x
2. Step 2: Convert to fraction form
   1,212,192/1,901,664 = 1,901,664/x
3. Step 3: Cross multiply
   1,212,192x = 1,901,664 × 1,901,664
4. Step 4: Simplify right side
   1,212,192x = 3,616,325,968,896
5. Step 5: Solve for x
   x = 3,616,325,968,896/1,212,192
6. Step 6: Final answer
   x = 2,983,294.70