Finding the Third Proportional to 528,140 and 1,140,457

Step by Step Solution

1. Step 1: Write the proportion equation
   528,140 : 1,140,457 = 1,140,457 : x
2. Step 2: Convert to fraction form
   528,140/1,140,457 = 1,140,457/x
3. Step 3: Cross multiply
   528,140x = 1,140,457 × 1,140,457
4. Step 4: Simplify right side
   528,140x = 1,300,642,168,849
5. Step 5: Solve for x
   x = 1,300,642,168,849/528,140
6. Step 6: Final answer
   x = 2,462,684.46