Finding the Third Proportional to 15,688.69 and 30,663.56

Step by Step Solution

1. Step 1: Write the proportion equation
   15,688.69 : 30,663.56 = 30,663.56 : x
2. Step 2: Convert to fraction form
   15,688.69/30,663.56 = 30,663.56/x
3. Step 3: Cross multiply
   15,688.69x = 30,663.56 × 30,663.56
4. Step 4: Simplify right side
   15,688.69x = 940,254,065.19
5. Step 5: Solve for x
   x = 940,254,065.19/15,688.69
6. Step 6: Final answer
   x = 59,931.98