Finding the Third Proportional to 51,538,591.50 and 111,147,214.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,538,591.50 : 111,147,214.50 = 111,147,214.50 : x
2. Step 2: Convert to fraction form
   51,538,591.50/111,147,214.50 = 111,147,214.50/x
3. Step 3: Cross multiply
   51,538,591.50x = 111,147,214.50 × 111,147,214.50
4. Step 4: Simplify right side
   51,538,591.50x = 12,353,703,291,109,010
5. Step 5: Solve for x
   x = 12,353,703,291,109,010/51,538,591.50
6. Step 6: Final answer
   x = 239,698,116.14