Finding the Third Proportional to 89,465,942 and 195,678,796

Step by Step Solution

1. Step 1: Write the proportion equation
   89,465,942 : 195,678,796 = 195,678,796 : x
2. Step 2: Convert to fraction form
   89,465,942/195,678,796 = 195,678,796/x
3. Step 3: Cross multiply
   89,465,942x = 195,678,796 × 195,678,796
4. Step 4: Simplify right side
   89,465,942x = 38,290,191,204,009,616
5. Step 5: Solve for x
   x = 38,290,191,204,009,616/89,465,942
6. Step 6: Final answer
   x = 427,986,229.71