Finding the Third Proportional to 1,069,391 and 2,227,243

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,391 : 2,227,243 = 2,227,243 : x
2. Step 2: Convert to fraction form
   1,069,391/2,227,243 = 2,227,243/x
3. Step 3: Cross multiply
   1,069,391x = 2,227,243 × 2,227,243
4. Step 4: Simplify right side
   1,069,391x = 4,960,611,381,049
5. Step 5: Solve for x
   x = 4,960,611,381,049/1,069,391
6. Step 6: Final answer
   x = 4,638,725.57