Finding the Third Proportional to 31,483.69 and 48,746.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,483.69 : 48,746.81 = 48,746.81 : x
2. Step 2: Convert to fraction form
   31,483.69/48,746.81 = 48,746.81/x
3. Step 3: Cross multiply
   31,483.69x = 48,746.81 × 48,746.81
4. Step 4: Simplify right side
   31,483.69x = 2,376,251,728.91
5. Step 5: Solve for x
   x = 2,376,251,728.91/31,483.69
6. Step 6: Final answer
   x = 75,475.65