Finding the Third Proportional to 16,309,447,628 and 35,111,486,663

Step by Step Solution

1. Step 1: Write the proportion equation
   16,309,447,628 : 35,111,486,663 = 35,111,486,663 : x
2. Step 2: Convert to fraction form
   16,309,447,628/35,111,486,663 = 35,111,486,663/x
3. Step 3: Cross multiply
   16,309,447,628x = 35,111,486,663 × 35,111,486,663
4. Step 4: Simplify right side
   16,309,447,628x = 1,232,816,495,686,026,788,864
5. Step 5: Solve for x
   x = 1,232,816,495,686,026,788,864/16,309,447,628
6. Step 6: Final answer
   x = 75,589,101,716.08