Finding the Third Proportional to 7,849,211,688 and 12,064,801,122

Step by Step Solution

1. Step 1: Write the proportion equation
   7,849,211,688 : 12,064,801,122 = 12,064,801,122 : x
2. Step 2: Convert to fraction form
   7,849,211,688/12,064,801,122 = 12,064,801,122/x
3. Step 3: Cross multiply
   7,849,211,688x = 12,064,801,122 × 12,064,801,122
4. Step 4: Simplify right side
   7,849,211,688x = 145,559,426,113,412,464,640
5. Step 5: Solve for x
   x = 145,559,426,113,412,464,640/7,849,211,688
6. Step 6: Final answer
   x = 18,544,464,323.21