Finding the Third Proportional to 692,890.50 and 1,488,912

Step by Step Solution

1. Step 1: Write the proportion equation
   692,890.50 : 1,488,912 = 1,488,912 : x
2. Step 2: Convert to fraction form
   692,890.50/1,488,912 = 1,488,912/x
3. Step 3: Cross multiply
   692,890.50x = 1,488,912 × 1,488,912
4. Step 4: Simplify right side
   692,890.50x = 2,216,858,943,744
5. Step 5: Solve for x
   x = 2,216,858,943,744/692,890.50
6. Step 6: Final answer
   x = 3,199,436.19