Finding the Third Proportional to 56,888 and 86,076

Step by Step Solution

1. Step 1: Write the proportion equation
   56,888 : 86,076 = 86,076 : x
2. Step 2: Convert to fraction form
   56,888/86,076 = 86,076/x
3. Step 3: Cross multiply
   56,888x = 86,076 × 86,076
4. Step 4: Simplify right side
   56,888x = 7,409,077,776
5. Step 5: Solve for x
   x = 7,409,077,776/56,888
6. Step 6: Final answer
   x = 130,239.73