Finding the Third Proportional to 42,683,979 and 91,841,767

Step by Step Solution

1. Step 1: Write the proportion equation
   42,683,979 : 91,841,767 = 91,841,767 : x
2. Step 2: Convert to fraction form
   42,683,979/91,841,767 = 91,841,767/x
3. Step 3: Cross multiply
   42,683,979x = 91,841,767 × 91,841,767
4. Step 4: Simplify right side
   42,683,979x = 8,434,910,165,682,289
5. Step 5: Solve for x
   x = 8,434,910,165,682,289/42,683,979
6. Step 6: Final answer
   x = 197,613,023.98