Finding the Third Proportional to 489,780,648 and 1,065,650,904

Step by Step Solution

1. Step 1: Write the proportion equation
   489,780,648 : 1,065,650,904 = 1,065,650,904 : x
2. Step 2: Convert to fraction form
   489,780,648/1,065,650,904 = 1,065,650,904/x
3. Step 3: Cross multiply
   489,780,648x = 1,065,650,904 × 1,065,650,904
4. Step 4: Simplify right side
   489,780,648x = 1,135,611,849,196,017,152
5. Step 5: Solve for x
   x = 1,135,611,849,196,017,152/489,780,648
6. Step 6: Final answer
   x = 2,318,613,146.18