Finding the Third Proportional to 11,720,672 and 25,336,256

Step by Step Solution

1. Step 1: Write the proportion equation
   11,720,672 : 25,336,256 = 25,336,256 : x
2. Step 2: Convert to fraction form
   11,720,672/25,336,256 = 25,336,256/x
3. Step 3: Cross multiply
   11,720,672x = 25,336,256 × 25,336,256
4. Step 4: Simplify right side
   11,720,672x = 641,925,868,097,536
5. Step 5: Solve for x
   x = 641,925,868,097,536/11,720,672
6. Step 6: Final answer
   x = 54,768,691.43