Finding the Third Proportional to 873,423 and 1,851,822

Step by Step Solution

1. Step 1: Write the proportion equation
   873,423 : 1,851,822 = 1,851,822 : x
2. Step 2: Convert to fraction form
   873,423/1,851,822 = 1,851,822/x
3. Step 3: Cross multiply
   873,423x = 1,851,822 × 1,851,822
4. Step 4: Simplify right side
   873,423x = 3,429,244,719,684
5. Step 5: Solve for x
   x = 3,429,244,719,684/873,423
6. Step 6: Final answer
   x = 3,926,212.98