Finding the Third Proportional to 7,849,211,678 and 12,064,801,107

Step by Step Solution

1. Step 1: Write the proportion equation
   7,849,211,678 : 12,064,801,107 = 12,064,801,107 : x
2. Step 2: Convert to fraction form
   7,849,211,678/12,064,801,107 = 12,064,801,107/x
3. Step 3: Cross multiply
   7,849,211,678x = 12,064,801,107 × 12,064,801,107
4. Step 4: Simplify right side
   7,849,211,678x = 145,559,425,751,468,425,216
5. Step 5: Solve for x
   x = 145,559,425,751,468,425,216/7,849,211,678
6. Step 6: Final answer
   x = 18,544,464,300.72