Finding the Third Proportional to 15,688.69 and 34,346.53

Step by Step Solution

1. Step 1: Write the proportion equation
   15,688.69 : 34,346.53 = 34,346.53 : x
2. Step 2: Convert to fraction form
   15,688.69/34,346.53 = 34,346.53/x
3. Step 3: Cross multiply
   15,688.69x = 34,346.53 × 34,346.53
4. Step 4: Simplify right side
   15,688.69x = 1,179,684,208.91
5. Step 5: Solve for x
   x = 1,179,684,208.91/15,688.69
6. Step 6: Final answer
   x = 75,193.30