Finding the Third Proportional to 19,415,074 and 42,218,864

Step by Step Solution

1. Step 1: Write the proportion equation
   19,415,074 : 42,218,864 = 42,218,864 : x
2. Step 2: Convert to fraction form
   19,415,074/42,218,864 = 42,218,864/x
3. Step 3: Cross multiply
   19,415,074x = 42,218,864 × 42,218,864
4. Step 4: Simplify right side
   19,415,074x = 1,782,432,477,450,496
5. Step 5: Solve for x
   x = 1,782,432,477,450,496/19,415,074
6. Step 6: Final answer
   x = 91,806,628.06