Finding the Third Proportional to 28,661,603,130.38 and 42,743,854,559.63

Step by Step Solution

1. Step 1: Write the proportion equation
   28,661,603,130.38 : 42,743,854,559.63 = 42,743,854,559.63 : x
2. Step 2: Convert to fraction form
   28,661,603,130.38/42,743,854,559.63 = 42,743,854,559.63/x
3. Step 3: Cross multiply
   28,661,603,130.38x = 42,743,854,559.63 × 42,743,854,559.63
4. Step 4: Simplify right side
   28,661,603,130.38x = 1,827,037,102,614,374,776,832
5. Step 5: Solve for x
   x = 1,827,037,102,614,374,776,832/28,661,603,130.38
6. Step 6: Final answer
   x = 63,745,112,033.81