Finding the Third Proportional to 466,213 and 696,443

Step by Step Solution

1. Step 1: Write the proportion equation
   466,213 : 696,443 = 696,443 : x
2. Step 2: Convert to fraction form
   466,213/696,443 = 696,443/x
3. Step 3: Cross multiply
   466,213x = 696,443 × 696,443
4. Step 4: Simplify right side
   466,213x = 485,032,852,249
5. Step 5: Solve for x
   x = 485,032,852,249/466,213
6. Step 6: Final answer
   x = 1,040,367.50