Finding the Third Proportional to 20,418,812 and 31,632,112

Step by Step Solution

1. Step 1: Write the proportion equation
   20,418,812 : 31,632,112 = 31,632,112 : x
2. Step 2: Convert to fraction form
   20,418,812/31,632,112 = 31,632,112/x
3. Step 3: Cross multiply
   20,418,812x = 31,632,112 × 31,632,112
4. Step 4: Simplify right side
   20,418,812x = 1,000,590,509,580,544
5. Step 5: Solve for x
   x = 1,000,590,509,580,544/20,418,812
6. Step 6: Final answer
   x = 49,003,365.60