Finding the Third Proportional to 1,228,503 and 1,859,940

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,503 : 1,859,940 = 1,859,940 : x
2. Step 2: Convert to fraction form
   1,228,503/1,859,940 = 1,859,940/x
3. Step 3: Cross multiply
   1,228,503x = 1,859,940 × 1,859,940
4. Step 4: Simplify right side
   1,228,503x = 3,459,376,803,600
5. Step 5: Solve for x
   x = 3,459,376,803,600/1,228,503
6. Step 6: Final answer
   x = 2,815,928.66