Finding the Third Proportional to 9,620,424 and 20,036,916

Step by Step Solution

1. Step 1: Write the proportion equation
   9,620,424 : 20,036,916 = 20,036,916 : x
2. Step 2: Convert to fraction form
   9,620,424/20,036,916 = 20,036,916/x
3. Step 3: Cross multiply
   9,620,424x = 20,036,916 × 20,036,916
4. Step 4: Simplify right side
   9,620,424x = 401,478,002,791,056
5. Step 5: Solve for x
   x = 401,478,002,791,056/9,620,424
6. Step 6: Final answer
   x = 41,731,840.80