Finding the Third Proportional to 69,040 and 147,916

Step by Step Solution

1. Step 1: Write the proportion equation
   69,040 : 147,916 = 147,916 : x
2. Step 2: Convert to fraction form
   69,040/147,916 = 147,916/x
3. Step 3: Cross multiply
   69,040x = 147,916 × 147,916
4. Step 4: Simplify right side
   69,040x = 21,879,143,056
5. Step 5: Solve for x
   x = 21,879,143,056/69,040
6. Step 6: Final answer
   x = 316,905.32