Finding the Third Proportional to 456,763,300 and 685,284,960

Step by Step Solution

1. Step 1: Write the proportion equation
   456,763,300 : 685,284,960 = 685,284,960 : x
2. Step 2: Convert to fraction form
   456,763,300/685,284,960 = 685,284,960/x
3. Step 3: Cross multiply
   456,763,300x = 685,284,960 × 685,284,960
4. Step 4: Simplify right side
   456,763,300x = 469,615,476,402,201,600
5. Step 5: Solve for x
   x = 469,615,476,402,201,600/456,763,300
6. Step 6: Final answer
   x = 1,028,137,497.92