Finding the Third Proportional to 435,748 and 666,160

Step by Step Solution

1. Step 1: Write the proportion equation
   435,748 : 666,160 = 666,160 : x
2. Step 2: Convert to fraction form
   435,748/666,160 = 666,160/x
3. Step 3: Cross multiply
   435,748x = 666,160 × 666,160
4. Step 4: Simplify right side
   435,748x = 443,769,145,600
5. Step 5: Solve for x
   x = 443,769,145,600/435,748
6. Step 6: Final answer
   x = 1,018,407.76