Finding the Third Proportional to 20,602,835 and 42,901,198

Step by Step Solution

1. Step 1: Write the proportion equation
   20,602,835 : 42,901,198 = 42,901,198 : x
2. Step 2: Convert to fraction form
   20,602,835/42,901,198 = 42,901,198/x
3. Step 3: Cross multiply
   20,602,835x = 42,901,198 × 42,901,198
4. Step 4: Simplify right side
   20,602,835x = 1,840,512,789,835,204
5. Step 5: Solve for x
   x = 1,840,512,789,835,204/20,602,835
6. Step 6: Final answer
   x = 89,332,986.93