Finding the Third Proportional to 139,797,812 and 304,139,560

Step by Step Solution

1. Step 1: Write the proportion equation
   139,797,812 : 304,139,560 = 304,139,560 : x
2. Step 2: Convert to fraction form
   139,797,812/304,139,560 = 304,139,560/x
3. Step 3: Cross multiply
   139,797,812x = 304,139,560 × 304,139,560
4. Step 4: Simplify right side
   139,797,812x = 92,500,871,956,993,600
5. Step 5: Solve for x
   x = 92,500,871,956,993,600/139,797,812
6. Step 6: Final answer
   x = 661,676,106.61