Finding the Third Proportional to 19,910,808 and 42,550,992

Step by Step Solution

1. Step 1: Write the proportion equation
   19,910,808 : 42,550,992 = 42,550,992 : x
2. Step 2: Convert to fraction form
   19,910,808/42,550,992 = 42,550,992/x
3. Step 3: Cross multiply
   19,910,808x = 42,550,992 × 42,550,992
4. Step 4: Simplify right side
   19,910,808x = 1,810,586,920,184,064
5. Step 5: Solve for x
   x = 1,810,586,920,184,064/19,910,808
6. Step 6: Final answer
   x = 90,934,879.20