Finding the Third Proportional to 19,849,678 and 42,996,978

Step by Step Solution

1. Step 1: Write the proportion equation
   19,849,678 : 42,996,978 = 42,996,978 : x
2. Step 2: Convert to fraction form
   19,849,678/42,996,978 = 42,996,978/x
3. Step 3: Cross multiply
   19,849,678x = 42,996,978 × 42,996,978
4. Step 4: Simplify right side
   19,849,678x = 1,848,740,117,132,484
5. Step 5: Solve for x
   x = 1,848,740,117,132,484/19,849,678
6. Step 6: Final answer
   x = 93,137,033.11