Finding the Third Proportional to 1,916.47 and 3,011.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.47 : 3,011.40 = 3,011.40 : x
2. Step 2: Convert to fraction form
   1,916.47/3,011.40 = 3,011.40/x
3. Step 3: Cross multiply
   1,916.47x = 3,011.40 × 3,011.40
4. Step 4: Simplify right side
   1,916.47x = 9,068,508.79
5. Step 5: Solve for x
   x = 9,068,508.79/1,916.47
6. Step 6: Final answer
   x = 4,731.87