Finding the Third Proportional to 19,943,819 and 42,866,968

Step by Step Solution

1. Step 1: Write the proportion equation
   19,943,819 : 42,866,968 = 42,866,968 : x
2. Step 2: Convert to fraction form
   19,943,819/42,866,968 = 42,866,968/x
3. Step 3: Cross multiply
   19,943,819x = 42,866,968 × 42,866,968
4. Step 4: Simplify right side
   19,943,819x = 1,837,576,945,513,024
5. Step 5: Solve for x
   x = 1,837,576,945,513,024/19,943,819
6. Step 6: Final answer
   x = 92,137,666.59