Finding the Third Proportional to 6,781,968 and 10,242,072

Step by Step Solution

1. Step 1: Write the proportion equation
   6,781,968 : 10,242,072 = 10,242,072 : x
2. Step 2: Convert to fraction form
   6,781,968/10,242,072 = 10,242,072/x
3. Step 3: Cross multiply
   6,781,968x = 10,242,072 × 10,242,072
4. Step 4: Simplify right side
   6,781,968x = 104,900,038,853,184
5. Step 5: Solve for x
   x = 104,900,038,853,184/6,781,968
6. Step 6: Final answer
   x = 15,467,492.45