Finding the Third Proportional to 25,659,644 and 55,836,420

Step by Step Solution

1. Step 1: Write the proportion equation
   25,659,644 : 55,836,420 = 55,836,420 : x
2. Step 2: Convert to fraction form
   25,659,644/55,836,420 = 55,836,420/x
3. Step 3: Cross multiply
   25,659,644x = 55,836,420 × 55,836,420
4. Step 4: Simplify right side
   25,659,644x = 3,117,705,798,416,400
5. Step 5: Solve for x
   x = 3,117,705,798,416,400/25,659,644
6. Step 6: Final answer
   x = 121,502,301.37