Finding the Third Proportional to 10,073,403,372.09 and 21,561,880,508.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,073,403,372.09 : 21,561,880,508.16 = 21,561,880,508.16 : x
2. Step 2: Convert to fraction form
   10,073,403,372.09/21,561,880,508.16 = 21,561,880,508.16/x
3. Step 3: Cross multiply
   10,073,403,372.09x = 21,561,880,508.16 × 21,561,880,508.16
4. Step 4: Simplify right side
   10,073,403,372.09x = 464,914,691,048,040,824,832
5. Step 5: Solve for x
   x = 464,914,691,048,040,824,832/10,073,403,372.09
6. Step 6: Final answer
   x = 46,152,692,776.70