Finding the Third Proportional to 13,120,622 and 17,662,955

Step by Step Solution

1. Step 1: Write the proportion equation
   13,120,622 : 17,662,955 = 17,662,955 : x
2. Step 2: Convert to fraction form
   13,120,622/17,662,955 = 17,662,955/x
3. Step 3: Cross multiply
   13,120,622x = 17,662,955 × 17,662,955
4. Step 4: Simplify right side
   13,120,622x = 311,979,979,332,025
5. Step 5: Solve for x
   x = 311,979,979,332,025/13,120,622
6. Step 6: Final answer
   x = 23,777,834.57