Finding the Third Proportional to 905,400 and 1,918,732

Step by Step Solution

1. Step 1: Write the proportion equation
   905,400 : 1,918,732 = 1,918,732 : x
2. Step 2: Convert to fraction form
   905,400/1,918,732 = 1,918,732/x
3. Step 3: Cross multiply
   905,400x = 1,918,732 × 1,918,732
4. Step 4: Simplify right side
   905,400x = 3,681,532,487,824
5. Step 5: Solve for x
   x = 3,681,532,487,824/905,400
6. Step 6: Final answer
   x = 4,066,194.49