Finding the Third Proportional to 1,821,432 and 2,717,385

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,432 : 2,717,385 = 2,717,385 : x
2. Step 2: Convert to fraction form
   1,821,432/2,717,385 = 2,717,385/x
3. Step 3: Cross multiply
   1,821,432x = 2,717,385 × 2,717,385
4. Step 4: Simplify right side
   1,821,432x = 7,384,181,238,225
5. Step 5: Solve for x
   x = 7,384,181,238,225/1,821,432
6. Step 6: Final answer
   x = 4,054,052.66