Finding the Third Proportional to 535,171.50 and 830,437.50

Step by Step Solution

1. Step 1: Write the proportion equation
   535,171.50 : 830,437.50 = 830,437.50 : x
2. Step 2: Convert to fraction form
   535,171.50/830,437.50 = 830,437.50/x
3. Step 3: Cross multiply
   535,171.50x = 830,437.50 × 830,437.50
4. Step 4: Simplify right side
   535,171.50x = 689,626,441,406.25
5. Step 5: Solve for x
   x = 689,626,441,406.25/535,171.50
6. Step 6: Final answer
   x = 1,288,608.31