Finding the Third Proportional to 536,188.50 and 786,240

Step by Step Solution

1. Step 1: Write the proportion equation
   536,188.50 : 786,240 = 786,240 : x
2. Step 2: Convert to fraction form
   536,188.50/786,240 = 786,240/x
3. Step 3: Cross multiply
   536,188.50x = 786,240 × 786,240
4. Step 4: Simplify right side
   536,188.50x = 618,173,337,600
5. Step 5: Solve for x
   x = 618,173,337,600/536,188.50
6. Step 6: Final answer
   x = 1,152,903.01