Finding the Third Proportional to 19,648,222,461 and 42,739,016,805

Step by Step Solution

1. Step 1: Write the proportion equation
   19,648,222,461 : 42,739,016,805 = 42,739,016,805 : x
2. Step 2: Convert to fraction form
   19,648,222,461/42,739,016,805 = 42,739,016,805/x
3. Step 3: Cross multiply
   19,648,222,461x = 42,739,016,805 × 42,739,016,805
4. Step 4: Simplify right side
   19,648,222,461x = 1,826,623,557,458,072,436,736
5. Step 5: Solve for x
   x = 1,826,623,557,458,072,436,736/19,648,222,461
6. Step 6: Final answer
   x = 92,966,351,591.54