Finding the Third Proportional to 12,019,939,144 and 16,024,766,309

Step by Step Solution

1. Step 1: Write the proportion equation
   12,019,939,144 : 16,024,766,309 = 16,024,766,309 : x
2. Step 2: Convert to fraction form
   12,019,939,144/16,024,766,309 = 16,024,766,309/x
3. Step 3: Cross multiply
   12,019,939,144x = 16,024,766,309 × 16,024,766,309
4. Step 4: Simplify right side
   12,019,939,144x = 256,793,135,258,061,471,744
5. Step 5: Solve for x
   x = 256,793,135,258,061,471,744/12,019,939,144
6. Step 6: Final answer
   x = 21,363,929,732.23