Finding the Third Proportional to 5,109,072 and 8,514,756

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109,072 : 8,514,756 = 8,514,756 : x
2. Step 2: Convert to fraction form
   5,109,072/8,514,756 = 8,514,756/x
3. Step 3: Cross multiply
   5,109,072x = 8,514,756 × 8,514,756
4. Step 4: Simplify right side
   5,109,072x = 72,501,069,739,536
5. Step 5: Solve for x
   x = 72,501,069,739,536/5,109,072
6. Step 6: Final answer
   x = 14,190,653.36