Finding the Third Proportional to 74,368 and 152,360

Step by Step Solution

1. Step 1: Write the proportion equation
   74,368 : 152,360 = 152,360 : x
2. Step 2: Convert to fraction form
   74,368/152,360 = 152,360/x
3. Step 3: Cross multiply
   74,368x = 152,360 × 152,360
4. Step 4: Simplify right side
   74,368x = 23,213,569,600
5. Step 5: Solve for x
   x = 23,213,569,600/74,368
6. Step 6: Final answer
   x = 312,144.60