Finding the Third Proportional to 56,238 and 87,046

Step by Step Solution

1. Step 1: Write the proportion equation
   56,238 : 87,046 = 87,046 : x
2. Step 2: Convert to fraction form
   56,238/87,046 = 87,046/x
3. Step 3: Cross multiply
   56,238x = 87,046 × 87,046
4. Step 4: Simplify right side
   56,238x = 7,577,006,116
5. Step 5: Solve for x
   x = 7,577,006,116/56,238
6. Step 6: Final answer
   x = 134,731.07