Finding the Third Proportional to 920,346 and 1,968,636

Step by Step Solution

1. Step 1: Write the proportion equation
   920,346 : 1,968,636 = 1,968,636 : x
2. Step 2: Convert to fraction form
   920,346/1,968,636 = 1,968,636/x
3. Step 3: Cross multiply
   920,346x = 1,968,636 × 1,968,636
4. Step 4: Simplify right side
   920,346x = 3,875,527,700,496
5. Step 5: Solve for x
   x = 3,875,527,700,496/920,346
6. Step 6: Final answer
   x = 4,210,946.43