Finding the Third Proportional to 9,260,109 and 19,942,490

Step by Step Solution

1. Step 1: Write the proportion equation
   9,260,109 : 19,942,490 = 19,942,490 : x
2. Step 2: Convert to fraction form
   9,260,109/19,942,490 = 19,942,490/x
3. Step 3: Cross multiply
   9,260,109x = 19,942,490 × 19,942,490
4. Step 4: Simplify right side
   9,260,109x = 397,702,907,400,100
5. Step 5: Solve for x
   x = 397,702,907,400,100/9,260,109
6. Step 6: Final answer
   x = 42,947,972.58