Finding the Third Proportional to 905,280 and 1,984,656

Step by Step Solution

1. Step 1: Write the proportion equation
   905,280 : 1,984,656 = 1,984,656 : x
2. Step 2: Convert to fraction form
   905,280/1,984,656 = 1,984,656/x
3. Step 3: Cross multiply
   905,280x = 1,984,656 × 1,984,656
4. Step 4: Simplify right side
   905,280x = 3,938,859,438,336
5. Step 5: Solve for x
   x = 3,938,859,438,336/905,280
6. Step 6: Final answer
   x = 4,350,984.71