Finding the Third Proportional to 548,482.50 and 875,853

Step by Step Solution

1. Step 1: Write the proportion equation
   548,482.50 : 875,853 = 875,853 : x
2. Step 2: Convert to fraction form
   548,482.50/875,853 = 875,853/x
3. Step 3: Cross multiply
   548,482.50x = 875,853 × 875,853
4. Step 4: Simplify right side
   548,482.50x = 767,118,477,609
5. Step 5: Solve for x
   x = 767,118,477,609/548,482.50
6. Step 6: Final answer
   x = 1,398,619.79