Finding the Third Proportional to 127,488 and 178,308

Step by Step Solution

1. Step 1: Write the proportion equation
   127,488 : 178,308 = 178,308 : x
2. Step 2: Convert to fraction form
   127,488/178,308 = 178,308/x
3. Step 3: Cross multiply
   127,488x = 178,308 × 178,308
4. Step 4: Simplify right side
   127,488x = 31,793,742,864
5. Step 5: Solve for x
   x = 31,793,742,864/127,488
6. Step 6: Final answer
   x = 249,386.16