Finding the Third Proportional to 407,196 and 868,470.75

Step by Step Solution

1. Step 1: Write the proportion equation
   407,196 : 868,470.75 = 868,470.75 : x
2. Step 2: Convert to fraction form
   407,196/868,470.75 = 868,470.75/x
3. Step 3: Cross multiply
   407,196x = 868,470.75 × 868,470.75
4. Step 4: Simplify right side
   407,196x = 754,241,443,605.56
5. Step 5: Solve for x
   x = 754,241,443,605.56/407,196
6. Step 6: Final answer
   x = 1,852,281.07