Finding the Third Proportional to 338,985 and 752,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   338,985 : 752,314.50 = 752,314.50 : x
2. Step 2: Convert to fraction form
   338,985/752,314.50 = 752,314.50/x
3. Step 3: Cross multiply
   338,985x = 752,314.50 × 752,314.50
4. Step 4: Simplify right side
   338,985x = 565,977,106,910.25
5. Step 5: Solve for x
   x = 565,977,106,910.25/338,985
6. Step 6: Final answer
   x = 1,669,622.87