Finding the Third Proportional to 538,605,168.50 and 1,177,987,105

Step by Step Solution

1. Step 1: Write the proportion equation
   538,605,168.50 : 1,177,987,105 = 1,177,987,105 : x
2. Step 2: Convert to fraction form
   538,605,168.50/1,177,987,105 = 1,177,987,105/x
3. Step 3: Cross multiply
   538,605,168.50x = 1,177,987,105 × 1,177,987,105
4. Step 4: Simplify right side
   538,605,168.50x = 1,387,653,619,546,280,960
5. Step 5: Solve for x
   x = 1,387,653,619,546,280,960/538,605,168.50
6. Step 6: Final answer
   x = 2,576,383,779.25