Finding the Third Proportional to 4,558,756 and 7,218,672

Step by Step Solution

1. Step 1: Write the proportion equation
   4,558,756 : 7,218,672 = 7,218,672 : x
2. Step 2: Convert to fraction form
   4,558,756/7,218,672 = 7,218,672/x
3. Step 3: Cross multiply
   4,558,756x = 7,218,672 × 7,218,672
4. Step 4: Simplify right side
   4,558,756x = 52,109,225,443,584
5. Step 5: Solve for x
   x = 52,109,225,443,584/4,558,756
6. Step 6: Final answer
   x = 11,430,580.06