Finding the Third Proportional to 25,659,640 and 55,836,412

Step by Step Solution

1. Step 1: Write the proportion equation
   25,659,640 : 55,836,412 = 55,836,412 : x
2. Step 2: Convert to fraction form
   25,659,640/55,836,412 = 55,836,412/x
3. Step 3: Cross multiply
   25,659,640x = 55,836,412 × 55,836,412
4. Step 4: Simplify right side
   25,659,640x = 3,117,704,905,033,744
5. Step 5: Solve for x
   x = 3,117,704,905,033,744/25,659,640
6. Step 6: Final answer
   x = 121,502,285.50