Finding the Third Proportional to 11,809,188 and 25,429,536

Step by Step Solution

1. Step 1: Write the proportion equation
   11,809,188 : 25,429,536 = 25,429,536 : x
2. Step 2: Convert to fraction form
   11,809,188/25,429,536 = 25,429,536/x
3. Step 3: Cross multiply
   11,809,188x = 25,429,536 × 25,429,536
4. Step 4: Simplify right side
   11,809,188x = 646,661,301,175,296
5. Step 5: Solve for x
   x = 646,661,301,175,296/11,809,188
6. Step 6: Final answer
   x = 54,759,167.28