Finding the Third Proportional to 3,931,250 and 8,409,010

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931,250 : 8,409,010 = 8,409,010 : x
2. Step 2: Convert to fraction form
   3,931,250/8,409,010 = 8,409,010/x
3. Step 3: Cross multiply
   3,931,250x = 8,409,010 × 8,409,010
4. Step 4: Simplify right side
   3,931,250x = 70,711,449,180,100
5. Step 5: Solve for x
   x = 70,711,449,180,100/3,931,250
6. Step 6: Final answer
   x = 17,987,014.10