Finding the Third Proportional to 218,160 and 475,740

Step by Step Solution

1. Step 1: Write the proportion equation
   218,160 : 475,740 = 475,740 : x
2. Step 2: Convert to fraction form
   218,160/475,740 = 475,740/x
3. Step 3: Cross multiply
   218,160x = 475,740 × 475,740
4. Step 4: Simplify right side
   218,160x = 226,328,547,600
5. Step 5: Solve for x
   x = 226,328,547,600/218,160
6. Step 6: Final answer
   x = 1,037,442.92