Finding the Third Proportional to 3,087,208 and 7,215,010

Step by Step Solution

1. Step 1: Write the proportion equation
   3,087,208 : 7,215,010 = 7,215,010 : x
2. Step 2: Convert to fraction form
   3,087,208/7,215,010 = 7,215,010/x
3. Step 3: Cross multiply
   3,087,208x = 7,215,010 × 7,215,010
4. Step 4: Simplify right side
   3,087,208x = 52,056,369,300,100
5. Step 5: Solve for x
   x = 52,056,369,300,100/3,087,208
6. Step 6: Final answer
   x = 16,861,957.24