Finding the Third Proportional to 13,486.50 and 28,670.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,486.50 : 28,670.63 = 28,670.63 : x
2. Step 2: Convert to fraction form
   13,486.50/28,670.63 = 28,670.63/x
3. Step 3: Cross multiply
   13,486.50x = 28,670.63 × 28,670.63
4. Step 4: Simplify right side
   13,486.50x = 822,004,737.89
5. Step 5: Solve for x
   x = 822,004,737.89/13,486.50
6. Step 6: Final answer
   x = 60,950.19