Finding the Third Proportional to 1,115,574 and 2,297,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,115,574 : 2,297,172 = 2,297,172 : x
2. Step 2: Convert to fraction form
   1,115,574/2,297,172 = 2,297,172/x
3. Step 3: Cross multiply
   1,115,574x = 2,297,172 × 2,297,172
4. Step 4: Simplify right side
   1,115,574x = 5,276,999,197,584
5. Step 5: Solve for x
   x = 5,276,999,197,584/1,115,574
6. Step 6: Final answer
   x = 4,730,299.56