Finding the Third Proportional to 19,675,580,219 and 42,486,373,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,675,580,219 : 42,486,373,309.50 = 42,486,373,309.50 : x
2. Step 2: Convert to fraction form
   19,675,580,219/42,486,373,309.50 = 42,486,373,309.50/x
3. Step 3: Cross multiply
   19,675,580,219x = 42,486,373,309.50 × 42,486,373,309.50
4. Step 4: Simplify right side
   19,675,580,219x = 1,805,091,916,994,193,915,904
5. Step 5: Solve for x
   x = 1,805,091,916,994,193,915,904/19,675,580,219
6. Step 6: Final answer
   x = 91,742,754,058.71