Finding the Third Proportional to 1,994.63 and 3,156.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.63 : 3,156.94 = 3,156.94 : x
2. Step 2: Convert to fraction form
   1,994.63/3,156.94 = 3,156.94/x
3. Step 3: Cross multiply
   1,994.63x = 3,156.94 × 3,156.94
4. Step 4: Simplify right side
   1,994.63x = 9,966,254.38
5. Step 5: Solve for x
   x = 9,966,254.38/1,994.63
6. Step 6: Final answer
   x = 4,996.56