Finding the Third Proportional to 987,213,406,815 and 2,002,185,006,588

Step by Step Solution

1. Step 1: Write the proportion equation
   987,213,406,815 : 2,002,185,006,588 = 2,002,185,006,588 : x
2. Step 2: Convert to fraction form
   987,213,406,815/2,002,185,006,588 = 2,002,185,006,588/x
3. Step 3: Cross multiply
   987,213,406,815x = 2,002,185,006,588 × 2,002,185,006,588
4. Step 4: Simplify right side
   987,213,406,815x = 4,008,744,800,605,789,568,892,928
5. Step 5: Solve for x
   x = 4,008,744,800,605,789,568,892,928/987,213,406,815
6. Step 6: Final answer
   x = 4,060,666,896,268.17