Finding the Third Proportional to 516,228 and 1,107,168

Step by Step Solution

1. Step 1: Write the proportion equation
   516,228 : 1,107,168 = 1,107,168 : x
2. Step 2: Convert to fraction form
   516,228/1,107,168 = 1,107,168/x
3. Step 3: Cross multiply
   516,228x = 1,107,168 × 1,107,168
4. Step 4: Simplify right side
   516,228x = 1,225,820,980,224
5. Step 5: Solve for x
   x = 1,225,820,980,224/516,228
6. Step 6: Final answer
   x = 2,374,572.82