Finding the Third Proportional to 920,322 and 1,968,588

Step by Step Solution

1. Step 1: Write the proportion equation
   920,322 : 1,968,588 = 1,968,588 : x
2. Step 2: Convert to fraction form
   920,322/1,968,588 = 1,968,588/x
3. Step 3: Cross multiply
   920,322x = 1,968,588 × 1,968,588
4. Step 4: Simplify right side
   920,322x = 3,875,338,713,744
5. Step 5: Solve for x
   x = 3,875,338,713,744/920,322
6. Step 6: Final answer
   x = 4,210,850.89