Finding the Third Proportional to 5,459,340 and 8,563,356

Step by Step Solution

1. Step 1: Write the proportion equation
   5,459,340 : 8,563,356 = 8,563,356 : x
2. Step 2: Convert to fraction form
   5,459,340/8,563,356 = 8,563,356/x
3. Step 3: Cross multiply
   5,459,340x = 8,563,356 × 8,563,356
4. Step 4: Simplify right side
   5,459,340x = 73,331,065,982,736
5. Step 5: Solve for x
   x = 73,331,065,982,736/5,459,340
6. Step 6: Final answer
   x = 13,432,221.84