Finding the Third Proportional to 58,130 and 88,870

Step by Step Solution

1. Step 1: Write the proportion equation
   58,130 : 88,870 = 88,870 : x
2. Step 2: Convert to fraction form
   58,130/88,870 = 88,870/x
3. Step 3: Cross multiply
   58,130x = 88,870 × 88,870
4. Step 4: Simplify right side
   58,130x = 7,897,876,900
5. Step 5: Solve for x
   x = 7,897,876,900/58,130
6. Step 6: Final answer
   x = 135,865.76