Finding the Third Proportional to 1,395,819 and 2,105,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395,819 : 2,105,392.50 = 2,105,392.50 : x
2. Step 2: Convert to fraction form
   1,395,819/2,105,392.50 = 2,105,392.50/x
3. Step 3: Cross multiply
   1,395,819x = 2,105,392.50 × 2,105,392.50
4. Step 4: Simplify right side
   1,395,819x = 4,432,677,579,056.25
5. Step 5: Solve for x
   x = 4,432,677,579,056.25/1,395,819
6. Step 6: Final answer
   x = 3,175,682.22