Finding the Third Proportional to 19,299,318,914 and 42,016,065,124

Step by Step Solution

1. Step 1: Write the proportion equation
   19,299,318,914 : 42,016,065,124 = 42,016,065,124 : x
2. Step 2: Convert to fraction form
   19,299,318,914/42,016,065,124 = 42,016,065,124/x
3. Step 3: Cross multiply
   19,299,318,914x = 42,016,065,124 × 42,016,065,124
4. Step 4: Simplify right side
   19,299,318,914x = 1,765,349,728,504,209,211,392
5. Step 5: Solve for x
   x = 1,765,349,728,504,209,211,392/19,299,318,914
6. Step 6: Final answer
   x = 91,472,125,849.15