Finding the Third Proportional to 16,430,404 and 36,638,648

Step by Step Solution

1. Step 1: Write the proportion equation
   16,430,404 : 36,638,648 = 36,638,648 : x
2. Step 2: Convert to fraction form
   16,430,404/36,638,648 = 36,638,648/x
3. Step 3: Cross multiply
   16,430,404x = 36,638,648 × 36,638,648
4. Step 4: Simplify right side
   16,430,404x = 1,342,390,527,267,904
5. Step 5: Solve for x
   x = 1,342,390,527,267,904/16,430,404
6. Step 6: Final answer
   x = 81,701,614.11