Finding the Third Proportional to 19,519,521 and 42,399,219

Step by Step Solution

1. Step 1: Write the proportion equation
   19,519,521 : 42,399,219 = 42,399,219 : x
2. Step 2: Convert to fraction form
   19,519,521/42,399,219 = 42,399,219/x
3. Step 3: Cross multiply
   19,519,521x = 42,399,219 × 42,399,219
4. Step 4: Simplify right side
   19,519,521x = 1,797,693,771,809,961
5. Step 5: Solve for x
   x = 1,797,693,771,809,961/19,519,521
6. Step 6: Final answer
   x = 92,097,227.79