Finding the Third Proportional to 2,107,920,835.69 and 4,629,580,169.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,920,835.69 : 4,629,580,169.06 = 4,629,580,169.06 : x
2. Step 2: Convert to fraction form
   2,107,920,835.69/4,629,580,169.06 = 4,629,580,169.06/x
3. Step 3: Cross multiply
   2,107,920,835.69x = 4,629,580,169.06 × 4,629,580,169.06
4. Step 4: Simplify right side
   2,107,920,835.69x = 21,433,012,541,776,764,928
5. Step 5: Solve for x
   x = 21,433,012,541,776,764,928/2,107,920,835.69
6. Step 6: Final answer
   x = 10,167,845,100.68