Finding the Third Proportional to 260,869 and 372,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   260,869 : 372,167.50 = 372,167.50 : x
2. Step 2: Convert to fraction form
   260,869/372,167.50 = 372,167.50/x
3. Step 3: Cross multiply
   260,869x = 372,167.50 × 372,167.50
4. Step 4: Simplify right side
   260,869x = 138,508,648,056.25
5. Step 5: Solve for x
   x = 138,508,648,056.25/260,869
6. Step 6: Final answer
   x = 530,950.97