Finding the Third Proportional to 3,931,246 and 8,409,004

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931,246 : 8,409,004 = 8,409,004 : x
2. Step 2: Convert to fraction form
   3,931,246/8,409,004 = 8,409,004/x
3. Step 3: Cross multiply
   3,931,246x = 8,409,004 × 8,409,004
4. Step 4: Simplify right side
   3,931,246x = 70,711,348,272,016
5. Step 5: Solve for x
   x = 70,711,348,272,016/3,931,246
6. Step 6: Final answer
   x = 17,987,006.73