Finding the Third Proportional to 19,648,222,446 and 42,739,016,778

Step by Step Solution

1. Step 1: Write the proportion equation
   19,648,222,446 : 42,739,016,778 = 42,739,016,778 : x
2. Step 2: Convert to fraction form
   19,648,222,446/42,739,016,778 = 42,739,016,778/x
3. Step 3: Cross multiply
   19,648,222,446x = 42,739,016,778 × 42,739,016,778
4. Step 4: Simplify right side
   19,648,222,446x = 1,826,623,555,150,165,573,632
5. Step 5: Solve for x
   x = 1,826,623,555,150,165,573,632/19,648,222,446
6. Step 6: Final answer
   x = 92,966,351,545.05