Finding the Third Proportional to 13,807,748 and 20,711,622

Step by Step Solution

1. Step 1: Write the proportion equation
   13,807,748 : 20,711,622 = 20,711,622 : x
2. Step 2: Convert to fraction form
   13,807,748/20,711,622 = 20,711,622/x
3. Step 3: Cross multiply
   13,807,748x = 20,711,622 × 20,711,622
4. Step 4: Simplify right side
   13,807,748x = 428,971,285,870,884
5. Step 5: Solve for x
   x = 428,971,285,870,884/13,807,748
6. Step 6: Final answer
   x = 31,067,433