Finding the Third Proportional to 146,139,760 and 318,006,000

Step by Step Solution

1. Step 1: Write the proportion equation
   146,139,760 : 318,006,000 = 318,006,000 : x
2. Step 2: Convert to fraction form
   146,139,760/318,006,000 = 318,006,000/x
3. Step 3: Cross multiply
   146,139,760x = 318,006,000 × 318,006,000
4. Step 4: Simplify right side
   146,139,760x = 101,127,816,036,000,000
5. Step 5: Solve for x
   x = 101,127,816,036,000,000/146,139,760
6. Step 6: Final answer
   x = 691,993,855.99