Finding the Third Proportional to 6,309,810 and 13,725,160

Step by Step Solution

1. Step 1: Write the proportion equation
   6,309,810 : 13,725,160 = 13,725,160 : x
2. Step 2: Convert to fraction form
   6,309,810/13,725,160 = 13,725,160/x
3. Step 3: Cross multiply
   6,309,810x = 13,725,160 × 13,725,160
4. Step 4: Simplify right side
   6,309,810x = 188,380,017,025,600
5. Step 5: Solve for x
   x = 188,380,017,025,600/6,309,810
6. Step 6: Final answer
   x = 29,855,101.35