Finding the Third Proportional to 923,428 and 1,387,818

Step by Step Solution

1. Step 1: Write the proportion equation
   923,428 : 1,387,818 = 1,387,818 : x
2. Step 2: Convert to fraction form
   923,428/1,387,818 = 1,387,818/x
3. Step 3: Cross multiply
   923,428x = 1,387,818 × 1,387,818
4. Step 4: Simplify right side
   923,428x = 1,926,038,801,124
5. Step 5: Solve for x
   x = 1,926,038,801,124/923,428
6. Step 6: Final answer
   x = 2,085,748.75