Finding the Third Proportional to 1,818,156 and 2,815,170

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818,156 : 2,815,170 = 2,815,170 : x
2. Step 2: Convert to fraction form
   1,818,156/2,815,170 = 2,815,170/x
3. Step 3: Cross multiply
   1,818,156x = 2,815,170 × 2,815,170
4. Step 4: Simplify right side
   1,818,156x = 7,925,182,128,900
5. Step 5: Solve for x
   x = 7,925,182,128,900/1,818,156
6. Step 6: Final answer
   x = 4,358,912.07