Finding the Third Proportional to 19,818,642 and 30,320,296

Step by Step Solution

1. Step 1: Write the proportion equation
   19,818,642 : 30,320,296 = 30,320,296 : x
2. Step 2: Convert to fraction form
   19,818,642/30,320,296 = 30,320,296/x
3. Step 3: Cross multiply
   19,818,642x = 30,320,296 × 30,320,296
4. Step 4: Simplify right side
   19,818,642x = 919,320,349,527,616
5. Step 5: Solve for x
   x = 919,320,349,527,616/19,818,642
6. Step 6: Final answer
   x = 46,386,646.95