Finding the Third Proportional to 19,648,222,448 and 42,739,016,782

Step by Step Solution

1. Step 1: Write the proportion equation
   19,648,222,448 : 42,739,016,782 = 42,739,016,782 : x
2. Step 2: Convert to fraction form
   19,648,222,448/42,739,016,782 = 42,739,016,782/x
3. Step 3: Cross multiply
   19,648,222,448x = 42,739,016,782 × 42,739,016,782
4. Step 4: Simplify right side
   19,648,222,448x = 1,826,623,555,492,077,633,536
5. Step 5: Solve for x
   x = 1,826,623,555,492,077,633,536/19,648,222,448
6. Step 6: Final answer
   x = 92,966,351,552.99