Finding the Third Proportional to 19,519,266 and 42,398,696

Step by Step Solution

1. Step 1: Write the proportion equation
   19,519,266 : 42,398,696 = 42,398,696 : x
2. Step 2: Convert to fraction form
   19,519,266/42,398,696 = 42,398,696/x
3. Step 3: Cross multiply
   19,519,266x = 42,398,696 × 42,398,696
4. Step 4: Simplify right side
   19,519,266x = 1,797,649,422,500,416
5. Step 5: Solve for x
   x = 1,797,649,422,500,416/19,519,266
6. Step 6: Final answer
   x = 92,096,158.87