Finding the Third Proportional to 137,355,986 and 298,567,732

Step by Step Solution

1. Step 1: Write the proportion equation
   137,355,986 : 298,567,732 = 298,567,732 : x
2. Step 2: Convert to fraction form
   137,355,986/298,567,732 = 298,567,732/x
3. Step 3: Cross multiply
   137,355,986x = 298,567,732 × 298,567,732
4. Step 4: Simplify right side
   137,355,986x = 89,142,690,591,623,824
5. Step 5: Solve for x
   x = 89,142,690,591,623,824/137,355,986
6. Step 6: Final answer
   x = 648,990,212.86