Finding the Third Proportional to 466,840 and 1,018,172

Step by Step Solution

1. Step 1: Write the proportion equation
   466,840 : 1,018,172 = 1,018,172 : x
2. Step 2: Convert to fraction form
   466,840/1,018,172 = 1,018,172/x
3. Step 3: Cross multiply
   466,840x = 1,018,172 × 1,018,172
4. Step 4: Simplify right side
   466,840x = 1,036,674,221,584
5. Step 5: Solve for x
   x = 1,036,674,221,584/466,840
6. Step 6: Final answer
   x = 2,220,619.96