Finding the Third Proportional to 1,223,208 and 1,889,352

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223,208 : 1,889,352 = 1,889,352 : x
2. Step 2: Convert to fraction form
   1,223,208/1,889,352 = 1,889,352/x
3. Step 3: Cross multiply
   1,223,208x = 1,889,352 × 1,889,352
4. Step 4: Simplify right side
   1,223,208x = 3,569,650,979,904
5. Step 5: Solve for x
   x = 3,569,650,979,904/1,223,208
6. Step 6: Final answer
   x = 2,918,269.81