Finding the Third Proportional to 20,745,623 and 30,445,821

Step by Step Solution

1. Step 1: Write the proportion equation
   20,745,623 : 30,445,821 = 30,445,821 : x
2. Step 2: Convert to fraction form
   20,745,623/30,445,821 = 30,445,821/x
3. Step 3: Cross multiply
   20,745,623x = 30,445,821 × 30,445,821
4. Step 4: Simplify right side
   20,745,623x = 926,948,016,364,041
5. Step 5: Solve for x
   x = 926,948,016,364,041/20,745,623
6. Step 6: Final answer
   x = 44,681,618.69