Finding the Third Proportional to 3,634,456,848 and 7,905,707,856

Step by Step Solution

1. Step 1: Write the proportion equation
   3,634,456,848 : 7,905,707,856 = 7,905,707,856 : x
2. Step 2: Convert to fraction form
   3,634,456,848/7,905,707,856 = 7,905,707,856/x
3. Step 3: Cross multiply
   3,634,456,848x = 7,905,707,856 × 7,905,707,856
4. Step 4: Simplify right side
   3,634,456,848x = 62,500,216,704,420,118,528
5. Step 5: Solve for x
   x = 62,500,216,704,420,118,528/3,634,456,848
6. Step 6: Final answer
   x = 17,196,576,907.72