Finding the Third Proportional to 17,992,809 and 39,180,258

Step by Step Solution

1. Step 1: Write the proportion equation
   17,992,809 : 39,180,258 = 39,180,258 : x
2. Step 2: Convert to fraction form
   17,992,809/39,180,258 = 39,180,258/x
3. Step 3: Cross multiply
   17,992,809x = 39,180,258 × 39,180,258
4. Step 4: Simplify right side
   17,992,809x = 1,535,092,616,946,564
5. Step 5: Solve for x
   x = 1,535,092,616,946,564/17,992,809
6. Step 6: Final answer
   x = 85,317,007.31