Finding the Third Proportional to 3,971,784 and 8,573,244

Step by Step Solution

1. Step 1: Write the proportion equation
   3,971,784 : 8,573,244 = 8,573,244 : x
2. Step 2: Convert to fraction form
   3,971,784/8,573,244 = 8,573,244/x
3. Step 3: Cross multiply
   3,971,784x = 8,573,244 × 8,573,244
4. Step 4: Simplify right side
   3,971,784x = 73,500,512,683,536
5. Step 5: Solve for x
   x = 73,500,512,683,536/3,971,784
6. Step 6: Final answer
   x = 18,505,667.15