Finding the Third Proportional to 19,508,412 and 30,379,122

Step by Step Solution

1. Step 1: Write the proportion equation
   19,508,412 : 30,379,122 = 30,379,122 : x
2. Step 2: Convert to fraction form
   19,508,412/30,379,122 = 30,379,122/x
3. Step 3: Cross multiply
   19,508,412x = 30,379,122 × 30,379,122
4. Step 4: Simplify right side
   19,508,412x = 922,891,053,490,884
5. Step 5: Solve for x
   x = 922,891,053,490,884/19,508,412
6. Step 6: Final answer
   x = 47,307,338.67