Finding the Third Proportional to 77,219.25 and 169,200

Step by Step Solution

1. Step 1: Write the proportion equation
   77,219.25 : 169,200 = 169,200 : x
2. Step 2: Convert to fraction form
   77,219.25/169,200 = 169,200/x
3. Step 3: Cross multiply
   77,219.25x = 169,200 × 169,200
4. Step 4: Simplify right side
   77,219.25x = 28,628,640,000
5. Step 5: Solve for x
   x = 28,628,640,000/77,219.25
6. Step 6: Final answer
   x = 370,744.86