Finding the Third Proportional to 1,139,070 and 2,505,516

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,070 : 2,505,516 = 2,505,516 : x
2. Step 2: Convert to fraction form
   1,139,070/2,505,516 = 2,505,516/x
3. Step 3: Cross multiply
   1,139,070x = 2,505,516 × 2,505,516
4. Step 4: Simplify right side
   1,139,070x = 6,277,610,426,256
5. Step 5: Solve for x
   x = 6,277,610,426,256/1,139,070
6. Step 6: Final answer
   x = 5,511,171.77