Finding the Third Proportional to 1,108,213 and 1,684,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,213 : 1,684,664 = 1,684,664 : x
2. Step 2: Convert to fraction form
   1,108,213/1,684,664 = 1,684,664/x
3. Step 3: Cross multiply
   1,108,213x = 1,684,664 × 1,684,664
4. Step 4: Simplify right side
   1,108,213x = 2,838,092,792,896
5. Step 5: Solve for x
   x = 2,838,092,792,896/1,108,213
6. Step 6: Final answer
   x = 2,560,963.27