Finding the Third Proportional to 3,715,874 and 5,430,432

Step by Step Solution

1. Step 1: Write the proportion equation
   3,715,874 : 5,430,432 = 5,430,432 : x
2. Step 2: Convert to fraction form
   3,715,874/5,430,432 = 5,430,432/x
3. Step 3: Cross multiply
   3,715,874x = 5,430,432 × 5,430,432
4. Step 4: Simplify right side
   3,715,874x = 29,489,591,706,624
5. Step 5: Solve for x
   x = 29,489,591,706,624/3,715,874
6. Step 6: Final answer
   x = 7,936,111.86