Finding the Third Proportional to 4,402,670 and 9,538,132

Step by Step Solution

1. Step 1: Write the proportion equation
   4,402,670 : 9,538,132 = 9,538,132 : x
2. Step 2: Convert to fraction form
   4,402,670/9,538,132 = 9,538,132/x
3. Step 3: Cross multiply
   4,402,670x = 9,538,132 × 9,538,132
4. Step 4: Simplify right side
   4,402,670x = 90,975,962,049,424
5. Step 5: Solve for x
   x = 90,975,962,049,424/4,402,670
6. Step 6: Final answer
   x = 20,663,815.83