Finding the Third Proportional to 986,500 and 2,151,528

Step by Step Solution

1. Step 1: Write the proportion equation
   986,500 : 2,151,528 = 2,151,528 : x
2. Step 2: Convert to fraction form
   986,500/2,151,528 = 2,151,528/x
3. Step 3: Cross multiply
   986,500x = 2,151,528 × 2,151,528
4. Step 4: Simplify right side
   986,500x = 4,629,072,734,784
5. Step 5: Solve for x
   x = 4,629,072,734,784/986,500
6. Step 6: Final answer
   x = 4,692,420.41