Finding the Third Proportional to 2,503,278.42 and 5,139,263.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503,278.42 : 5,139,263.32 = 5,139,263.32 : x
2. Step 2: Convert to fraction form
   2,503,278.42/5,139,263.32 = 5,139,263.32/x
3. Step 3: Cross multiply
   2,503,278.42x = 5,139,263.32 × 5,139,263.32
4. Step 4: Simplify right side
   2,503,278.42x = 26,412,027,475,509.46
5. Step 5: Solve for x
   x = 26,412,027,475,509.46/2,503,278.42
6. Step 6: Final answer
   x = 10,550,974.77