Finding the Third Proportional to 359,558,431,401 and 782,413,646,958

Step by Step Solution

1. Step 1: Write the proportion equation
   359,558,431,401 : 782,413,646,958 = 782,413,646,958 : x
2. Step 2: Convert to fraction form
   359,558,431,401/782,413,646,958 = 782,413,646,958/x
3. Step 3: Cross multiply
   359,558,431,401x = 782,413,646,958 × 782,413,646,958
4. Step 4: Simplify right side
   359,558,431,401x = 612,171,114,946,117,832,278,016
5. Step 5: Solve for x
   x = 612,171,114,946,117,832,278,016/359,558,431,401
6. Step 6: Final answer
   x = 1,702,563,648,864.60