Finding the Third Proportional to 1,314,137 and 1,921,315

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314,137 : 1,921,315 = 1,921,315 : x
2. Step 2: Convert to fraction form
   1,314,137/1,921,315 = 1,921,315/x
3. Step 3: Cross multiply
   1,314,137x = 1,921,315 × 1,921,315
4. Step 4: Simplify right side
   1,314,137x = 3,691,451,329,225
5. Step 5: Solve for x
   x = 3,691,451,329,225/1,314,137
6. Step 6: Final answer
   x = 2,809,030.82