Finding the Third Proportional to 911,215.50 and 2,109,477

Step by Step Solution

1. Step 1: Write the proportion equation
   911,215.50 : 2,109,477 = 2,109,477 : x
2. Step 2: Convert to fraction form
   911,215.50/2,109,477 = 2,109,477/x
3. Step 3: Cross multiply
   911,215.50x = 2,109,477 × 2,109,477
4. Step 4: Simplify right side
   911,215.50x = 4,449,893,213,529
5. Step 5: Solve for x
   x = 4,449,893,213,529/911,215.50
6. Step 6: Final answer
   x = 4,883,469.62