Finding the Third Proportional to 19,784,914,686 and 42,669,105,804

Step by Step Solution

1. Step 1: Write the proportion equation
   19,784,914,686 : 42,669,105,804 = 42,669,105,804 : x
2. Step 2: Convert to fraction form
   19,784,914,686/42,669,105,804 = 42,669,105,804/x
3. Step 3: Cross multiply
   19,784,914,686x = 42,669,105,804 × 42,669,105,804
4. Step 4: Simplify right side
   19,784,914,686x = 1,820,652,590,112,946,520,064
5. Step 5: Solve for x
   x = 1,820,652,590,112,946,520,064/19,784,914,686
6. Step 6: Final answer
   x = 92,022,261,354.57