Finding the Third Proportional to 42,781.50 and 55,576.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,781.50 : 55,576.13 = 55,576.13 : x
2. Step 2: Convert to fraction form
   42,781.50/55,576.13 = 55,576.13/x
3. Step 3: Cross multiply
   42,781.50x = 55,576.13 × 55,576.13
4. Step 4: Simplify right side
   42,781.50x = 3,088,705,670.02
5. Step 5: Solve for x
   x = 3,088,705,670.02/42,781.50
6. Step 6: Final answer
   x = 72,197.23