Finding the Third Proportional to 5,134,716 and 7,178,287

Step by Step Solution

1. Step 1: Write the proportion equation
   5,134,716 : 7,178,287 = 7,178,287 : x
2. Step 2: Convert to fraction form
   5,134,716/7,178,287 = 7,178,287/x
3. Step 3: Cross multiply
   5,134,716x = 7,178,287 × 7,178,287
4. Step 4: Simplify right side
   5,134,716x = 51,527,804,254,369
5. Step 5: Solve for x
   x = 51,527,804,254,369/5,134,716
6. Step 6: Final answer
   x = 10,035,180.96