Finding the Third Proportional to 817,476 and 1,909,381

Step by Step Solution

1. Step 1: Write the proportion equation
   817,476 : 1,909,381 = 1,909,381 : x
2. Step 2: Convert to fraction form
   817,476/1,909,381 = 1,909,381/x
3. Step 3: Cross multiply
   817,476x = 1,909,381 × 1,909,381
4. Step 4: Simplify right side
   817,476x = 3,645,735,803,161
5. Step 5: Solve for x
   x = 3,645,735,803,161/817,476
6. Step 6: Final answer
   x = 4,459,746.59