Finding the Third Proportional to 456,818 and 696,015

Step by Step Solution

1. Step 1: Write the proportion equation
   456,818 : 696,015 = 696,015 : x
2. Step 2: Convert to fraction form
   456,818/696,015 = 696,015/x
3. Step 3: Cross multiply
   456,818x = 696,015 × 696,015
4. Step 4: Simplify right side
   456,818x = 484,436,880,225
5. Step 5: Solve for x
   x = 484,436,880,225/456,818
6. Step 6: Final answer
   x = 1,060,459.26