Finding the Third Proportional to 402,461 and 874,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   402,461 : 874,808.50 = 874,808.50 : x
2. Step 2: Convert to fraction form
   402,461/874,808.50 = 874,808.50/x
3. Step 3: Cross multiply
   402,461x = 874,808.50 × 874,808.50
4. Step 4: Simplify right side
   402,461x = 765,289,911,672.25
5. Step 5: Solve for x
   x = 765,289,911,672.25/402,461
6. Step 6: Final answer
   x = 1,901,525.64