Finding the Third Proportional to 2,540,710,708.50 and 5,503,518,427.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,710,708.50 : 5,503,518,427.50 = 5,503,518,427.50 : x
2. Step 2: Convert to fraction form
   2,540,710,708.50/5,503,518,427.50 = 5,503,518,427.50/x
3. Step 3: Cross multiply
   2,540,710,708.50x = 5,503,518,427.50 × 5,503,518,427.50
4. Step 4: Simplify right side
   2,540,710,708.50x = 30,288,715,081,832,071,168
5. Step 5: Solve for x
   x = 30,288,715,081,832,071,168/2,540,710,708.50
6. Step 6: Final answer
   x = 11,921,355,304.44