Finding the Third Proportional to 787,438 and 1,627,368

Step by Step Solution

1. Step 1: Write the proportion equation
   787,438 : 1,627,368 = 1,627,368 : x
2. Step 2: Convert to fraction form
   787,438/1,627,368 = 1,627,368/x
3. Step 3: Cross multiply
   787,438x = 1,627,368 × 1,627,368
4. Step 4: Simplify right side
   787,438x = 2,648,326,607,424
5. Step 5: Solve for x
   x = 2,648,326,607,424/787,438
6. Step 6: Final answer
   x = 3,363,219.21