Finding the Third Proportional to 369,417 and 797,776.50

Step by Step Solution

1. Step 1: Write the proportion equation
   369,417 : 797,776.50 = 797,776.50 : x
2. Step 2: Convert to fraction form
   369,417/797,776.50 = 797,776.50/x
3. Step 3: Cross multiply
   369,417x = 797,776.50 × 797,776.50
4. Step 4: Simplify right side
   369,417x = 636,447,343,952.25
5. Step 5: Solve for x
   x = 636,447,343,952.25/369,417
6. Step 6: Final answer
   x = 1,722,842.60