Finding the Third Proportional to 780,759 and 1,155,829.50

Step by Step Solution

1. Step 1: Write the proportion equation
   780,759 : 1,155,829.50 = 1,155,829.50 : x
2. Step 2: Convert to fraction form
   780,759/1,155,829.50 = 1,155,829.50/x
3. Step 3: Cross multiply
   780,759x = 1,155,829.50 × 1,155,829.50
4. Step 4: Simplify right side
   780,759x = 1,335,941,833,070.25
5. Step 5: Solve for x
   x = 1,335,941,833,070.25/780,759
6. Step 6: Final answer
   x = 1,711,080.93