Finding the Third Proportional to 362,200.50 and 786,672

Step by Step Solution

1. Step 1: Write the proportion equation
   362,200.50 : 786,672 = 786,672 : x
2. Step 2: Convert to fraction form
   362,200.50/786,672 = 786,672/x
3. Step 3: Cross multiply
   362,200.50x = 786,672 × 786,672
4. Step 4: Simplify right side
   362,200.50x = 618,852,835,584
5. Step 5: Solve for x
   x = 618,852,835,584/362,200.50
6. Step 6: Final answer
   x = 1,708,591.89