Finding the Third Proportional to 2,777.63 and 7,490.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,777.63 : 7,490.81 = 7,490.81 : x
2. Step 2: Convert to fraction form
   2,777.63/7,490.81 = 7,490.81/x
3. Step 3: Cross multiply
   2,777.63x = 7,490.81 × 7,490.81
4. Step 4: Simplify right side
   2,777.63x = 56,112,271.91
5. Step 5: Solve for x
   x = 56,112,271.91/2,777.63
6. Step 6: Final answer
   x = 20,201.53