Finding the Third Proportional to 10,402,130 and 13,802,443

Step by Step Solution

1. Step 1: Write the proportion equation
   10,402,130 : 13,802,443 = 13,802,443 : x
2. Step 2: Convert to fraction form
   10,402,130/13,802,443 = 13,802,443/x
3. Step 3: Cross multiply
   10,402,130x = 13,802,443 × 13,802,443
4. Step 4: Simplify right side
   10,402,130x = 190,507,432,768,249
5. Step 5: Solve for x
   x = 190,507,432,768,249/10,402,130
6. Step 6: Final answer
   x = 18,314,271.48