Finding the Third Proportional to 19,679,742 and 42,704,653.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,679,742 : 42,704,653.50 = 42,704,653.50 : x
2. Step 2: Convert to fraction form
   19,679,742/42,704,653.50 = 42,704,653.50/x
3. Step 3: Cross multiply
   19,679,742x = 42,704,653.50 × 42,704,653.50
4. Step 4: Simplify right side
   19,679,742x = 1,823,687,430,555,062.25
5. Step 5: Solve for x
   x = 1,823,687,430,555,062.25/19,679,742
6. Step 6: Final answer
   x = 92,668,259.09