Finding the Third Proportional to 857,004 and 1,636,248

Step by Step Solution

1. Step 1: Write the proportion equation
   857,004 : 1,636,248 = 1,636,248 : x
2. Step 2: Convert to fraction form
   857,004/1,636,248 = 1,636,248/x
3. Step 3: Cross multiply
   857,004x = 1,636,248 × 1,636,248
4. Step 4: Simplify right side
   857,004x = 2,677,307,517,504
5. Step 5: Solve for x
   x = 2,677,307,517,504/857,004
6. Step 6: Final answer
   x = 3,124,031.53