Finding the Third Proportional to 656,442 and 1,406,196

Step by Step Solution

1. Step 1: Write the proportion equation
   656,442 : 1,406,196 = 1,406,196 : x
2. Step 2: Convert to fraction form
   656,442/1,406,196 = 1,406,196/x
3. Step 3: Cross multiply
   656,442x = 1,406,196 × 1,406,196
4. Step 4: Simplify right side
   656,442x = 1,977,387,190,416
5. Step 5: Solve for x
   x = 1,977,387,190,416/656,442
6. Step 6: Final answer
   x = 3,012,280.13