Finding the Third Proportional to 873,388 and 1,909,704

Step by Step Solution

1. Step 1: Write the proportion equation
   873,388 : 1,909,704 = 1,909,704 : x
2. Step 2: Convert to fraction form
   873,388/1,909,704 = 1,909,704/x
3. Step 3: Cross multiply
   873,388x = 1,909,704 × 1,909,704
4. Step 4: Simplify right side
   873,388x = 3,646,969,367,616
5. Step 5: Solve for x
   x = 3,646,969,367,616/873,388
6. Step 6: Final answer
   x = 4,175,657.75