Finding the Third Proportional to 250,719 and 370,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   250,719 : 370,543.50 = 370,543.50 : x
2. Step 2: Convert to fraction form
   250,719/370,543.50 = 370,543.50/x
3. Step 3: Cross multiply
   250,719x = 370,543.50 × 370,543.50
4. Step 4: Simplify right side
   250,719x = 137,302,485,392.25
5. Step 5: Solve for x
   x = 137,302,485,392.25/250,719
6. Step 6: Final answer
   x = 547,634.94