Finding the Third Proportional to 905,316 and 1,966,404

Step by Step Solution

1. Step 1: Write the proportion equation
   905,316 : 1,966,404 = 1,966,404 : x
2. Step 2: Convert to fraction form
   905,316/1,966,404 = 1,966,404/x
3. Step 3: Cross multiply
   905,316x = 1,966,404 × 1,966,404
4. Step 4: Simplify right side
   905,316x = 3,866,744,691,216
5. Step 5: Solve for x
   x = 3,866,744,691,216/905,316
6. Step 6: Final answer
   x = 4,271,154.70