Finding the Third Proportional to 3,931,253 and 8,409,016

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931,253 : 8,409,016 = 8,409,016 : x
2. Step 2: Convert to fraction form
   3,931,253/8,409,016 = 8,409,016/x
3. Step 3: Cross multiply
   3,931,253x = 8,409,016 × 8,409,016
4. Step 4: Simplify right side
   3,931,253x = 70,711,550,088,256
5. Step 5: Solve for x
   x = 70,711,550,088,256/3,931,253
6. Step 6: Final answer
   x = 17,987,026.04