Finding the Third Proportional to 298,263,326,320 and 654,271,968,644

Step by Step Solution

1. Step 1: Write the proportion equation
   298,263,326,320 : 654,271,968,644 = 654,271,968,644 : x
2. Step 2: Convert to fraction form
   298,263,326,320/654,271,968,644 = 654,271,968,644/x
3. Step 3: Cross multiply
   298,263,326,320x = 654,271,968,644 × 654,271,968,644
4. Step 4: Simplify right side
   298,263,326,320x = 428,071,808,953,295,325,626,368
5. Step 5: Solve for x
   x = 428,071,808,953,295,325,626,368/298,263,326,320
6. Step 6: Final answer
   x = 1,435,214,359,857.39