Finding the Third Proportional to 319,374 and 695,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   319,374 : 695,443.50 = 695,443.50 : x
2. Step 2: Convert to fraction form
   319,374/695,443.50 = 695,443.50/x
3. Step 3: Cross multiply
   319,374x = 695,443.50 × 695,443.50
4. Step 4: Simplify right side
   319,374x = 483,641,661,692.25
5. Step 5: Solve for x
   x = 483,641,661,692.25/319,374
6. Step 6: Final answer
   x = 1,514,342.63