Finding the Third Proportional to 309,737,136 and 674,096,760

Step by Step Solution

1. Step 1: Write the proportion equation
   309,737,136 : 674,096,760 = 674,096,760 : x
2. Step 2: Convert to fraction form
   309,737,136/674,096,760 = 674,096,760/x
3. Step 3: Cross multiply
   309,737,136x = 674,096,760 × 674,096,760
4. Step 4: Simplify right side
   309,737,136x = 454,406,441,842,497,600
5. Step 5: Solve for x
   x = 454,406,441,842,497,600/309,737,136
6. Step 6: Final answer
   x = 1,467,071,232.44