Finding the Third Proportional to 644,184 and 1,371,528

Step by Step Solution

1. Step 1: Write the proportion equation
   644,184 : 1,371,528 = 1,371,528 : x
2. Step 2: Convert to fraction form
   644,184/1,371,528 = 1,371,528/x
3. Step 3: Cross multiply
   644,184x = 1,371,528 × 1,371,528
4. Step 4: Simplify right side
   644,184x = 1,881,089,054,784
5. Step 5: Solve for x
   x = 1,881,089,054,784/644,184
6. Step 6: Final answer
   x = 2,920,111.42