Finding the Third Proportional to 13,486.50 and 27,631.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,486.50 : 27,631.13 = 27,631.13 : x
2. Step 2: Convert to fraction form
   13,486.50/27,631.13 = 27,631.13/x
3. Step 3: Cross multiply
   13,486.50x = 27,631.13 × 27,631.13
4. Step 4: Simplify right side
   13,486.50x = 763,479,068.77
5. Step 5: Solve for x
   x = 763,479,068.77/13,486.50
6. Step 6: Final answer
   x = 56,610.62