Finding the Third Proportional to 5,134,714 and 7,178,284

Step by Step Solution

1. Step 1: Write the proportion equation
   5,134,714 : 7,178,284 = 7,178,284 : x
2. Step 2: Convert to fraction form
   5,134,714/7,178,284 = 7,178,284/x
3. Step 3: Cross multiply
   5,134,714x = 7,178,284 × 7,178,284
4. Step 4: Simplify right side
   5,134,714x = 51,527,761,184,656
5. Step 5: Solve for x
   x = 51,527,761,184,656/5,134,714
6. Step 6: Final answer
   x = 10,035,176.48