Finding the Third Proportional to 2,290,464 and 5,174,784

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290,464 : 5,174,784 = 5,174,784 : x
2. Step 2: Convert to fraction form
   2,290,464/5,174,784 = 5,174,784/x
3. Step 3: Cross multiply
   2,290,464x = 5,174,784 × 5,174,784
4. Step 4: Simplify right side
   2,290,464x = 26,778,389,446,656
5. Step 5: Solve for x
   x = 26,778,389,446,656/2,290,464
6. Step 6: Final answer
   x = 11,691,250.96