Finding the Third Proportional to 3,663,194 and 7,977,212

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663,194 : 7,977,212 = 7,977,212 : x
2. Step 2: Convert to fraction form
   3,663,194/7,977,212 = 7,977,212/x
3. Step 3: Cross multiply
   3,663,194x = 7,977,212 × 7,977,212
4. Step 4: Simplify right side
   3,663,194x = 63,635,911,292,944
5. Step 5: Solve for x
   x = 63,635,911,292,944/3,663,194
6. Step 6: Final answer
   x = 17,371,701.11