Finding the Third Proportional to 705,969 and 1,065,487.50

Step by Step Solution

1. Step 1: Write the proportion equation
   705,969 : 1,065,487.50 = 1,065,487.50 : x
2. Step 2: Convert to fraction form
   705,969/1,065,487.50 = 1,065,487.50/x
3. Step 3: Cross multiply
   705,969x = 1,065,487.50 × 1,065,487.50
4. Step 4: Simplify right side
   705,969x = 1,135,263,612,656.25
5. Step 5: Solve for x
   x = 1,135,263,612,656.25/705,969
6. Step 6: Final answer
   x = 1,608,092.72