Finding the Third Proportional to 9,004,757,040 and 19,559,631,978

Step by Step Solution

1. Step 1: Write the proportion equation
   9,004,757,040 : 19,559,631,978 = 19,559,631,978 : x
2. Step 2: Convert to fraction form
   9,004,757,040/19,559,631,978 = 19,559,631,978/x
3. Step 3: Cross multiply
   9,004,757,040x = 19,559,631,978 × 19,559,631,978
4. Step 4: Simplify right side
   9,004,757,040x = 382,579,203,114,800,185,344
5. Step 5: Solve for x
   x = 382,579,203,114,800,185,344/9,004,757,040
6. Step 6: Final answer
   x = 42,486,343,764.23