Finding the Third Proportional to 509,471,538 and 1,091,638,980

Step by Step Solution

1. Step 1: Write the proportion equation
   509,471,538 : 1,091,638,980 = 1,091,638,980 : x
2. Step 2: Convert to fraction form
   509,471,538/1,091,638,980 = 1,091,638,980/x
3. Step 3: Cross multiply
   509,471,538x = 1,091,638,980 × 1,091,638,980
4. Step 4: Simplify right side
   509,471,538x = 1,191,675,662,655,440,384
5. Step 5: Solve for x
   x = 1,191,675,662,655,440,384/509,471,538
6. Step 6: Final answer
   x = 2,339,042,662.39