Finding the Third Proportional to 5,516,586 and 8,563,563

Step by Step Solution

1. Step 1: Write the proportion equation
   5,516,586 : 8,563,563 = 8,563,563 : x
2. Step 2: Convert to fraction form
   5,516,586/8,563,563 = 8,563,563/x
3. Step 3: Cross multiply
   5,516,586x = 8,563,563 × 8,563,563
4. Step 4: Simplify right side
   5,516,586x = 73,334,611,254,969
5. Step 5: Solve for x
   x = 73,334,611,254,969/5,516,586
6. Step 6: Final answer
   x = 13,293,477.39