Finding the Third Proportional to 656,458,784 and 1,039,485,864

Step by Step Solution

1. Step 1: Write the proportion equation
   656,458,784 : 1,039,485,864 = 1,039,485,864 : x
2. Step 2: Convert to fraction form
   656,458,784/1,039,485,864 = 1,039,485,864/x
3. Step 3: Cross multiply
   656,458,784x = 1,039,485,864 × 1,039,485,864
4. Step 4: Simplify right side
   656,458,784x = 1,080,530,861,455,826,432
5. Step 5: Solve for x
   x = 1,080,530,861,455,826,432/656,458,784
6. Step 6: Final answer
   x = 1,645,999,547.56