Finding the Third Proportional to 4,311,894 and 9,388,764

Step by Step Solution

1. Step 1: Write the proportion equation
   4,311,894 : 9,388,764 = 9,388,764 : x
2. Step 2: Convert to fraction form
   4,311,894/9,388,764 = 9,388,764/x
3. Step 3: Cross multiply
   4,311,894x = 9,388,764 × 9,388,764
4. Step 4: Simplify right side
   4,311,894x = 88,148,889,447,696
5. Step 5: Solve for x
   x = 88,148,889,447,696/4,311,894
6. Step 6: Final answer
   x = 20,443,194.90