Finding the Third Proportional to 63,862,664 and 139,815,597

Step by Step Solution

1. Step 1: Write the proportion equation
   63,862,664 : 139,815,597 = 139,815,597 : x
2. Step 2: Convert to fraction form
   63,862,664/139,815,597 = 139,815,597/x
3. Step 3: Cross multiply
   63,862,664x = 139,815,597 × 139,815,597
4. Step 4: Simplify right side
   63,862,664x = 19,548,401,164,466,408
5. Step 5: Solve for x
   x = 19,548,401,164,466,408/63,862,664
6. Step 6: Final answer
   x = 306,100,621.87