Finding the Third Proportional to 89,017,844 and 189,793,726

Step by Step Solution

1. Step 1: Write the proportion equation
   89,017,844 : 189,793,726 = 189,793,726 : x
2. Step 2: Convert to fraction form
   89,017,844/189,793,726 = 189,793,726/x
3. Step 3: Cross multiply
   89,017,844x = 189,793,726 × 189,793,726
4. Step 4: Simplify right side
   89,017,844x = 36,021,658,428,963,076
5. Step 5: Solve for x
   x = 36,021,658,428,963,076/89,017,844
6. Step 6: Final answer
   x = 404,656,603.78