Finding the Third Proportional to 19,519,188 and 42,398,532

Step by Step Solution

1. Step 1: Write the proportion equation
   19,519,188 : 42,398,532 = 42,398,532 : x
2. Step 2: Convert to fraction form
   19,519,188/42,398,532 = 42,398,532/x
3. Step 3: Cross multiply
   19,519,188x = 42,398,532 × 42,398,532
4. Step 4: Simplify right side
   19,519,188x = 1,797,635,515,755,024
5. Step 5: Solve for x
   x = 1,797,635,515,755,024/19,519,188
6. Step 6: Final answer
   x = 92,095,814.42