Finding the Third Proportional to 10,402,430 and 13,802,910

Step by Step Solution

1. Step 1: Write the proportion equation
   10,402,430 : 13,802,910 = 13,802,910 : x
2. Step 2: Convert to fraction form
   10,402,430/13,802,910 = 13,802,910/x
3. Step 3: Cross multiply
   10,402,430x = 13,802,910 × 13,802,910
4. Step 4: Simplify right side
   10,402,430x = 190,520,324,468,100
5. Step 5: Solve for x
   x = 190,520,324,468,100/10,402,430
6. Step 6: Final answer
   x = 18,314,982.60