Finding the Third Proportional to 1,818,288 and 2,727,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818,288 : 2,727,432 = 2,727,432 : x
2. Step 2: Convert to fraction form
   1,818,288/2,727,432 = 2,727,432/x
3. Step 3: Cross multiply
   1,818,288x = 2,727,432 × 2,727,432
4. Step 4: Simplify right side
   1,818,288x = 7,438,885,314,624
5. Step 5: Solve for x
   x = 7,438,885,314,624/1,818,288
6. Step 6: Final answer
   x = 4,091,148