Finding the Third Proportional to 1,234,645 and 1,855,254

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234,645 : 1,855,254 = 1,855,254 : x
2. Step 2: Convert to fraction form
   1,234,645/1,855,254 = 1,855,254/x
3. Step 3: Cross multiply
   1,234,645x = 1,855,254 × 1,855,254
4. Step 4: Simplify right side
   1,234,645x = 3,441,967,404,516
5. Step 5: Solve for x
   x = 3,441,967,404,516/1,234,645
6. Step 6: Final answer
   x = 2,787,819.50