Finding the Third Proportional to 5,313,672 and 8,459,228

Step by Step Solution

1. Step 1: Write the proportion equation
   5,313,672 : 8,459,228 = 8,459,228 : x
2. Step 2: Convert to fraction form
   5,313,672/8,459,228 = 8,459,228/x
3. Step 3: Cross multiply
   5,313,672x = 8,459,228 × 8,459,228
4. Step 4: Simplify right side
   5,313,672x = 71,558,538,355,984
5. Step 5: Solve for x
   x = 71,558,538,355,984/5,313,672
6. Step 6: Final answer
   x = 13,466,871.56