Finding the Third Proportional to 105,439,821 and 229,015,056

Step by Step Solution

1. Step 1: Write the proportion equation
   105,439,821 : 229,015,056 = 229,015,056 : x
2. Step 2: Convert to fraction form
   105,439,821/229,015,056 = 229,015,056/x
3. Step 3: Cross multiply
   105,439,821x = 229,015,056 × 229,015,056
4. Step 4: Simplify right side
   105,439,821x = 52,447,895,874,683,136
5. Step 5: Solve for x
   x = 52,447,895,874,683,136/105,439,821
6. Step 6: Final answer
   x = 497,420,190.75