Finding the Third Proportional to 19,784,914,692 and 42,669,105,816

Step by Step Solution

1. Step 1: Write the proportion equation
   19,784,914,692 : 42,669,105,816 = 42,669,105,816 : x
2. Step 2: Convert to fraction form
   19,784,914,692/42,669,105,816 = 42,669,105,816/x
3. Step 3: Cross multiply
   19,784,914,692x = 42,669,105,816 × 42,669,105,816
4. Step 4: Simplify right side
   19,784,914,692x = 1,820,652,591,137,004,978,176
5. Step 5: Solve for x
   x = 1,820,652,591,137,004,978,176/19,784,914,692
6. Step 6: Final answer
   x = 92,022,261,378.42