Finding the Third Proportional to 13,459.98 and 28,688.36

Step by Step Solution

1. Step 1: Write the proportion equation
   13,459.98 : 28,688.36 = 28,688.36 : x
2. Step 2: Convert to fraction form
   13,459.98/28,688.36 = 28,688.36/x
3. Step 3: Cross multiply
   13,459.98x = 28,688.36 × 28,688.36
4. Step 4: Simplify right side
   13,459.98x = 823,021,823.55
5. Step 5: Solve for x
   x = 823,021,823.55/13,459.98
6. Step 6: Final answer
   x = 61,145.84