Finding the Third Proportional to 6,299,721 and 9,773,256

Step by Step Solution

1. Step 1: Write the proportion equation
   6,299,721 : 9,773,256 = 9,773,256 : x
2. Step 2: Convert to fraction form
   6,299,721/9,773,256 = 9,773,256/x
3. Step 3: Cross multiply
   6,299,721x = 9,773,256 × 9,773,256
4. Step 4: Simplify right side
   6,299,721x = 95,516,532,841,536
5. Step 5: Solve for x
   x = 95,516,532,841,536/6,299,721
6. Step 6: Final answer
   x = 15,162,025.88