Finding the Third Proportional to 63,945,024 and 140,644,632

Step by Step Solution

1. Step 1: Write the proportion equation
   63,945,024 : 140,644,632 = 140,644,632 : x
2. Step 2: Convert to fraction form
   63,945,024/140,644,632 = 140,644,632/x
3. Step 3: Cross multiply
   63,945,024x = 140,644,632 × 140,644,632
4. Step 4: Simplify right side
   63,945,024x = 19,780,912,510,415,424
5. Step 5: Solve for x
   x = 19,780,912,510,415,424/63,945,024
6. Step 6: Final answer
   x = 309,342,483.17