Finding the Third Proportional to 19,876,596 and 42,587,556

Step by Step Solution

1. Step 1: Write the proportion equation
   19,876,596 : 42,587,556 = 42,587,556 : x
2. Step 2: Convert to fraction form
   19,876,596/42,587,556 = 42,587,556/x
3. Step 3: Cross multiply
   19,876,596x = 42,587,556 × 42,587,556
4. Step 4: Simplify right side
   19,876,596x = 1,813,699,926,053,136
5. Step 5: Solve for x
   x = 1,813,699,926,053,136/19,876,596
6. Step 6: Final answer
   x = 91,248,014.80