Finding the Third Proportional to 17,920,948.50 and 39,325,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,920,948.50 : 39,325,540.50 = 39,325,540.50 : x
2. Step 2: Convert to fraction form
   17,920,948.50/39,325,540.50 = 39,325,540.50/x
3. Step 3: Cross multiply
   17,920,948.50x = 39,325,540.50 × 39,325,540.50
4. Step 4: Simplify right side
   17,920,948.50x = 1,546,498,135,617,140.25
5. Step 5: Solve for x
   x = 1,546,498,135,617,140.25/17,920,948.50
6. Step 6: Final answer
   x = 86,295,551.58