Finding the Third Proportional to 416,898.25 and 909,072

Step by Step Solution

1. Step 1: Write the proportion equation
   416,898.25 : 909,072 = 909,072 : x
2. Step 2: Convert to fraction form
   416,898.25/909,072 = 909,072/x
3. Step 3: Cross multiply
   416,898.25x = 909,072 × 909,072
4. Step 4: Simplify right side
   416,898.25x = 826,411,901,184
5. Step 5: Solve for x
   x = 826,411,901,184/416,898.25
6. Step 6: Final answer
   x = 1,982,286.81