Finding the Third Proportional to 27,172 and 56,090

Step by Step Solution

1. Step 1: Write the proportion equation
   27,172 : 56,090 = 56,090 : x
2. Step 2: Convert to fraction form
   27,172/56,090 = 56,090/x
3. Step 3: Cross multiply
   27,172x = 56,090 × 56,090
4. Step 4: Simplify right side
   27,172x = 3,146,088,100
5. Step 5: Solve for x
   x = 3,146,088,100/27,172
6. Step 6: Final answer
   x = 115,784.19