Finding the Third Proportional to 1,818,300 and 2,727,450

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818,300 : 2,727,450 = 2,727,450 : x
2. Step 2: Convert to fraction form
   1,818,300/2,727,450 = 2,727,450/x
3. Step 3: Cross multiply
   1,818,300x = 2,727,450 × 2,727,450
4. Step 4: Simplify right side
   1,818,300x = 7,438,983,502,500
5. Step 5: Solve for x
   x = 7,438,983,502,500/1,818,300
6. Step 6: Final answer
   x = 4,091,175