Finding the Third Proportional to 69,124 and 148,072

Step by Step Solution

1. Step 1: Write the proportion equation
   69,124 : 148,072 = 148,072 : x
2. Step 2: Convert to fraction form
   69,124/148,072 = 148,072/x
3. Step 3: Cross multiply
   69,124x = 148,072 × 148,072
4. Step 4: Simplify right side
   69,124x = 21,925,317,184
5. Step 5: Solve for x
   x = 21,925,317,184/69,124
6. Step 6: Final answer
   x = 317,188.20