Finding the Third Proportional to 42,067,893.38 and 64,621,434.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,067,893.38 : 64,621,434.38 = 64,621,434.38 : x
2. Step 2: Convert to fraction form
   42,067,893.38/64,621,434.38 = 64,621,434.38/x
3. Step 3: Cross multiply
   42,067,893.38x = 64,621,434.38 × 64,621,434.38
4. Step 4: Simplify right side
   42,067,893.38x = 4,175,929,780,682,431.50
5. Step 5: Solve for x
   x = 4,175,929,780,682,431.50/42,067,893.38
6. Step 6: Final answer
   x = 99,266,434.46