Finding the Third Proportional to 19,388,324 and 42,007,860

Step by Step Solution

1. Step 1: Write the proportion equation
   19,388,324 : 42,007,860 = 42,007,860 : x
2. Step 2: Convert to fraction form
   19,388,324/42,007,860 = 42,007,860/x
3. Step 3: Cross multiply
   19,388,324x = 42,007,860 × 42,007,860
4. Step 4: Simplify right side
   19,388,324x = 1,764,660,301,779,600
5. Step 5: Solve for x
   x = 1,764,660,301,779,600/19,388,324
6. Step 6: Final answer
   x = 91,016,650.11