Finding the Third Proportional to 3,985,445 and 5,592,364.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985,445 : 5,592,364.50 = 5,592,364.50 : x
2. Step 2: Convert to fraction form
   3,985,445/5,592,364.50 = 5,592,364.50/x
3. Step 3: Cross multiply
   3,985,445x = 5,592,364.50 × 5,592,364.50
4. Step 4: Simplify right side
   3,985,445x = 31,274,540,700,860.25
5. Step 5: Solve for x
   x = 31,274,540,700,860.25/3,985,445
6. Step 6: Final answer
   x = 7,847,189.13