Finding the Third Proportional to 4,462,673 and 9,717,602

Step by Step Solution

1. Step 1: Write the proportion equation
   4,462,673 : 9,717,602 = 9,717,602 : x
2. Step 2: Convert to fraction form
   4,462,673/9,717,602 = 9,717,602/x
3. Step 3: Cross multiply
   4,462,673x = 9,717,602 × 9,717,602
4. Step 4: Simplify right side
   4,462,673x = 94,431,788,630,404
5. Step 5: Solve for x
   x = 94,431,788,630,404/4,462,673
6. Step 6: Final answer
   x = 21,160,364.79