Finding the Third Proportional to 123,305,406 and 268,317,528

Step by Step Solution

1. Step 1: Write the proportion equation
   123,305,406 : 268,317,528 = 268,317,528 : x
2. Step 2: Convert to fraction form
   123,305,406/268,317,528 = 268,317,528/x
3. Step 3: Cross multiply
   123,305,406x = 268,317,528 × 268,317,528
4. Step 4: Simplify right side
   123,305,406x = 71,994,295,832,030,784
5. Step 5: Solve for x
   x = 71,994,295,832,030,784/123,305,406
6. Step 6: Final answer
   x = 583,869,743.98