Finding the Third Proportional to 1,228,506 and 1,859,943

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,506 : 1,859,943 = 1,859,943 : x
2. Step 2: Convert to fraction form
   1,228,506/1,859,943 = 1,859,943/x
3. Step 3: Cross multiply
   1,228,506x = 1,859,943 × 1,859,943
4. Step 4: Simplify right side
   1,228,506x = 3,459,387,963,249
5. Step 5: Solve for x
   x = 3,459,387,963,249/1,228,506
6. Step 6: Final answer
   x = 2,815,930.87