Finding the Third Proportional to 905.55 and 1,976.27

Step by Step Solution

1. Step 1: Write the proportion equation
   905.55 : 1,976.27 = 1,976.27 : x
2. Step 2: Convert to fraction form
   905.55/1,976.27 = 1,976.27/x
3. Step 3: Cross multiply
   905.55x = 1,976.27 × 1,976.27
4. Step 4: Simplify right side
   905.55x = 3,905,656.70
5. Step 5: Solve for x
   x = 3,905,656.70/905.55
6. Step 6: Final answer
   x = 4,313.00