Finding the Third Proportional to 1,007,449,480.55 and 2,179,918,772.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,449,480.55 : 2,179,918,772.72 = 2,179,918,772.72 : x
2. Step 2: Convert to fraction form
   1,007,449,480.55/2,179,918,772.72 = 2,179,918,772.72/x
3. Step 3: Cross multiply
   1,007,449,480.55x = 2,179,918,772.72 × 2,179,918,772.72
4. Step 4: Simplify right side
   1,007,449,480.55x = 4,752,045,855,651,840,000
5. Step 5: Solve for x
   x = 4,752,045,855,651,840,000/1,007,449,480.55
6. Step 6: Final answer
   x = 4,716,907,346.14