Finding the Third Proportional to 42,445,713 and 90,942,846

Step by Step Solution

1. Step 1: Write the proportion equation
   42,445,713 : 90,942,846 = 90,942,846 : x
2. Step 2: Convert to fraction form
   42,445,713/90,942,846 = 90,942,846/x
3. Step 3: Cross multiply
   42,445,713x = 90,942,846 × 90,942,846
4. Step 4: Simplify right side
   42,445,713x = 8,270,601,238,579,716
5. Step 5: Solve for x
   x = 8,270,601,238,579,716/42,445,713
6. Step 6: Final answer
   x = 194,851,273.64