Finding the Third Proportional to 46,688 and 72,336

Step by Step Solution

1. Step 1: Write the proportion equation
   46,688 : 72,336 = 72,336 : x
2. Step 2: Convert to fraction form
   46,688/72,336 = 72,336/x
3. Step 3: Cross multiply
   46,688x = 72,336 × 72,336
4. Step 4: Simplify right side
   46,688x = 5,232,496,896
5. Step 5: Solve for x
   x = 5,232,496,896/46,688
6. Step 6: Final answer
   x = 112,073.70