Finding the Third Proportional to 6,014,478 and 8,689,887

Step by Step Solution

1. Step 1: Write the proportion equation
   6,014,478 : 8,689,887 = 8,689,887 : x
2. Step 2: Convert to fraction form
   6,014,478/8,689,887 = 8,689,887/x
3. Step 3: Cross multiply
   6,014,478x = 8,689,887 × 8,689,887
4. Step 4: Simplify right side
   6,014,478x = 75,514,136,072,769
5. Step 5: Solve for x
   x = 75,514,136,072,769/6,014,478
6. Step 6: Final answer
   x = 12,555,393.18