Finding the Third Proportional to 1,139,216 and 2,425,672

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,216 : 2,425,672 = 2,425,672 : x
2. Step 2: Convert to fraction form
   1,139,216/2,425,672 = 2,425,672/x
3. Step 3: Cross multiply
   1,139,216x = 2,425,672 × 2,425,672
4. Step 4: Simplify right side
   1,139,216x = 5,883,884,651,584
5. Step 5: Solve for x
   x = 5,883,884,651,584/1,139,216
6. Step 6: Final answer
   x = 5,164,854.30