Finding the Third Proportional to 42,445,719 and 90,942,858

Step by Step Solution

1. Step 1: Write the proportion equation
   42,445,719 : 90,942,858 = 90,942,858 : x
2. Step 2: Convert to fraction form
   42,445,719/90,942,858 = 90,942,858/x
3. Step 3: Cross multiply
   42,445,719x = 90,942,858 × 90,942,858
4. Step 4: Simplify right side
   42,445,719x = 8,270,603,421,208,164
5. Step 5: Solve for x
   x = 8,270,603,421,208,164/42,445,719
6. Step 6: Final answer
   x = 194,851,297.52