Finding the Third Proportional to 516,112 and 1,068,515

Step by Step Solution

1. Step 1: Write the proportion equation
   516,112 : 1,068,515 = 1,068,515 : x
2. Step 2: Convert to fraction form
   516,112/1,068,515 = 1,068,515/x
3. Step 3: Cross multiply
   516,112x = 1,068,515 × 1,068,515
4. Step 4: Simplify right side
   516,112x = 1,141,724,305,225
5. Step 5: Solve for x
   x = 1,141,724,305,225/516,112
6. Step 6: Final answer
   x = 2,212,163.84