Finding the Third Proportional to 17,517,228,642 and 36,276,139,656

Step by Step Solution

1. Step 1: Write the proportion equation
   17,517,228,642 : 36,276,139,656 = 36,276,139,656 : x
2. Step 2: Convert to fraction form
   17,517,228,642/36,276,139,656 = 36,276,139,656/x
3. Step 3: Cross multiply
   17,517,228,642x = 36,276,139,656 × 36,276,139,656
4. Step 4: Simplify right side
   17,517,228,642x = 1,315,958,308,341,615,689,728
5. Step 5: Solve for x
   x = 1,315,958,308,341,615,689,728/17,517,228,642
6. Step 6: Final answer
   x = 75,123,658,841.01