Finding the Third Proportional to 58,308 and 89,151

Step by Step Solution

1. Step 1: Write the proportion equation
   58,308 : 89,151 = 89,151 : x
2. Step 2: Convert to fraction form
   58,308/89,151 = 89,151/x
3. Step 3: Cross multiply
   58,308x = 89,151 × 89,151
4. Step 4: Simplify right side
   58,308x = 7,947,900,801
5. Step 5: Solve for x
   x = 7,947,900,801/58,308
6. Step 6: Final answer
   x = 136,308.93