Finding the Third Proportional to 69,076 and 150,640

Step by Step Solution

1. Step 1: Write the proportion equation
   69,076 : 150,640 = 150,640 : x
2. Step 2: Convert to fraction form
   69,076/150,640 = 150,640/x
3. Step 3: Cross multiply
   69,076x = 150,640 × 150,640
4. Step 4: Simplify right side
   69,076x = 22,692,409,600
5. Step 5: Solve for x
   x = 22,692,409,600/69,076
6. Step 6: Final answer
   x = 328,513.66