Finding the Third Proportional to 5,467,972 and 8,157,606

Step by Step Solution

1. Step 1: Write the proportion equation
   5,467,972 : 8,157,606 = 8,157,606 : x
2. Step 2: Convert to fraction form
   5,467,972/8,157,606 = 8,157,606/x
3. Step 3: Cross multiply
   5,467,972x = 8,157,606 × 8,157,606
4. Step 4: Simplify right side
   5,467,972x = 66,546,535,651,236
5. Step 5: Solve for x
   x = 66,546,535,651,236/5,467,972
6. Step 6: Final answer
   x = 12,170,240.75