Finding the Third Proportional to 538,140 and 1,170,864

Step by Step Solution

1. Step 1: Write the proportion equation
   538,140 : 1,170,864 = 1,170,864 : x
2. Step 2: Convert to fraction form
   538,140/1,170,864 = 1,170,864/x
3. Step 3: Cross multiply
   538,140x = 1,170,864 × 1,170,864
4. Step 4: Simplify right side
   538,140x = 1,370,922,506,496
5. Step 5: Solve for x
   x = 1,370,922,506,496/538,140
6. Step 6: Final answer
   x = 2,547,520.17