Finding the Third Proportional to 5,478,000 and 8,516,016

Step by Step Solution

1. Step 1: Write the proportion equation
   5,478,000 : 8,516,016 = 8,516,016 : x
2. Step 2: Convert to fraction form
   5,478,000/8,516,016 = 8,516,016/x
3. Step 3: Cross multiply
   5,478,000x = 8,516,016 × 8,516,016
4. Step 4: Simplify right side
   5,478,000x = 72,522,528,512,256
5. Step 5: Solve for x
   x = 72,522,528,512,256/5,478,000
6. Step 6: Final answer
   x = 13,238,869.75