Finding the Third Proportional to 27,011.81 and 42,737.63

Step by Step Solution

1. Step 1: Write the proportion equation
   27,011.81 : 42,737.63 = 42,737.63 : x
2. Step 2: Convert to fraction form
   27,011.81/42,737.63 = 42,737.63/x
3. Step 3: Cross multiply
   27,011.81x = 42,737.63 × 42,737.63
4. Step 4: Simplify right side
   27,011.81x = 1,826,504,590.64
5. Step 5: Solve for x
   x = 1,826,504,590.64/27,011.81
6. Step 6: Final answer
   x = 67,618.73