Finding the Third Proportional to 1,813,624 and 3,971,984

Step by Step Solution

1. Step 1: Write the proportion equation
   1,813,624 : 3,971,984 = 3,971,984 : x
2. Step 2: Convert to fraction form
   1,813,624/3,971,984 = 3,971,984/x
3. Step 3: Cross multiply
   1,813,624x = 3,971,984 × 3,971,984
4. Step 4: Simplify right side
   1,813,624x = 15,776,656,896,256
5. Step 5: Solve for x
   x = 15,776,656,896,256/1,813,624
6. Step 6: Final answer
   x = 8,698,967.87