Finding the Third Proportional to 4,638,443 and 7,077,606

Step by Step Solution

1. Step 1: Write the proportion equation
   4,638,443 : 7,077,606 = 7,077,606 : x
2. Step 2: Convert to fraction form
   4,638,443/7,077,606 = 7,077,606/x
3. Step 3: Cross multiply
   4,638,443x = 7,077,606 × 7,077,606
4. Step 4: Simplify right side
   4,638,443x = 50,092,506,691,236
5. Step 5: Solve for x
   x = 50,092,506,691,236/4,638,443
6. Step 6: Final answer
   x = 10,799,422.71