Finding the Third Proportional to 1,086,272 and 2,386,528

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,272 : 2,386,528 = 2,386,528 : x
2. Step 2: Convert to fraction form
   1,086,272/2,386,528 = 2,386,528/x
3. Step 3: Cross multiply
   1,086,272x = 2,386,528 × 2,386,528
4. Step 4: Simplify right side
   1,086,272x = 5,695,515,894,784
5. Step 5: Solve for x
   x = 5,695,515,894,784/1,086,272
6. Step 6: Final answer
   x = 5,243,176.57