Finding the Third Proportional to 5,090,508 and 10,978,047

Step by Step Solution

1. Step 1: Write the proportion equation
   5,090,508 : 10,978,047 = 10,978,047 : x
2. Step 2: Convert to fraction form
   5,090,508/10,978,047 = 10,978,047/x
3. Step 3: Cross multiply
   5,090,508x = 10,978,047 × 10,978,047
4. Step 4: Simplify right side
   5,090,508x = 120,517,515,934,209
5. Step 5: Solve for x
   x = 120,517,515,934,209/5,090,508
6. Step 6: Final answer
   x = 23,674,948.73