Finding the Third Proportional to 2,156.63 and 4,094.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.63 : 4,094.30 = 4,094.30 : x
2. Step 2: Convert to fraction form
   2,156.63/4,094.30 = 4,094.30/x
3. Step 3: Cross multiply
   2,156.63x = 4,094.30 × 4,094.30
4. Step 4: Simplify right side
   2,156.63x = 16,763,266.90
5. Step 5: Solve for x
   x = 16,763,266.90/2,156.63
6. Step 6: Final answer
   x = 7,772.92