Finding the Third Proportional to 2,499,217,692 and 5,205,294,158

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,217,692 : 5,205,294,158 = 5,205,294,158 : x
2. Step 2: Convert to fraction form
   2,499,217,692/5,205,294,158 = 5,205,294,158/x
3. Step 3: Cross multiply
   2,499,217,692x = 5,205,294,158 × 5,205,294,158
4. Step 4: Simplify right side
   2,499,217,692x = 27,095,087,271,308,926,976
5. Step 5: Solve for x
   x = 27,095,087,271,308,926,976/2,499,217,692
6. Step 6: Final answer
   x = 10,841,427,442.69