Finding the Third Proportional to 2,221,526,538 and 4,626,927,562.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221,526,538 : 4,626,927,562.50 = 4,626,927,562.50 : x
2. Step 2: Convert to fraction form
   2,221,526,538/4,626,927,562.50 = 4,626,927,562.50/x
3. Step 3: Cross multiply
   2,221,526,538x = 4,626,927,562.50 × 4,626,927,562.50
4. Step 4: Simplify right side
   2,221,526,538x = 21,408,458,668,622,192,640
5. Step 5: Solve for x
   x = 21,408,458,668,622,192,640/2,221,526,538
6. Step 6: Final answer
   x = 9,636,823,284.54