Finding the Third Proportional to 6,315,141 and 13,290,450

Step by Step Solution

1. Step 1: Write the proportion equation
   6,315,141 : 13,290,450 = 13,290,450 : x
2. Step 2: Convert to fraction form
   6,315,141/13,290,450 = 13,290,450/x
3. Step 3: Cross multiply
   6,315,141x = 13,290,450 × 13,290,450
4. Step 4: Simplify right side
   6,315,141x = 176,636,061,202,500
5. Step 5: Solve for x
   x = 176,636,061,202,500/6,315,141
6. Step 6: Final answer
   x = 27,970,248.20