Finding the Third Proportional to 358,995,250.50 and 786,091,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   358,995,250.50 : 786,091,747.50 = 786,091,747.50 : x
2. Step 2: Convert to fraction form
   358,995,250.50/786,091,747.50 = 786,091,747.50/x
3. Step 3: Cross multiply
   358,995,250.50x = 786,091,747.50 × 786,091,747.50
4. Step 4: Simplify right side
   358,995,250.50x = 617,940,235,487,603,712
5. Step 5: Solve for x
   x = 617,940,235,487,603,712/358,995,250.50
6. Step 6: Final answer
   x = 1,721,304,765.53