Finding the Third Proportional to 19,943,814 and 42,866,958

Step by Step Solution

1. Step 1: Write the proportion equation
   19,943,814 : 42,866,958 = 42,866,958 : x
2. Step 2: Convert to fraction form
   19,943,814/42,866,958 = 42,866,958/x
3. Step 3: Cross multiply
   19,943,814x = 42,866,958 × 42,866,958
4. Step 4: Simplify right side
   19,943,814x = 1,837,576,088,173,764
5. Step 5: Solve for x
   x = 1,837,576,088,173,764/19,943,814
6. Step 6: Final answer
   x = 92,137,646.70