Finding the Third Proportional to 19,659,870 and 30,772,845

Step by Step Solution

1. Step 1: Write the proportion equation
   19,659,870 : 30,772,845 = 30,772,845 : x
2. Step 2: Convert to fraction form
   19,659,870/30,772,845 = 30,772,845/x
3. Step 3: Cross multiply
   19,659,870x = 30,772,845 × 30,772,845
4. Step 4: Simplify right side
   19,659,870x = 946,967,989,394,025
5. Step 5: Solve for x
   x = 946,967,989,394,025/19,659,870
6. Step 6: Final answer
   x = 48,167,561.10