Finding the Third Proportional to 4,346,586 and 9,439,938

Step by Step Solution

1. Step 1: Write the proportion equation
   4,346,586 : 9,439,938 = 9,439,938 : x
2. Step 2: Convert to fraction form
   4,346,586/9,439,938 = 9,439,938/x
3. Step 3: Cross multiply
   4,346,586x = 9,439,938 × 9,439,938
4. Step 4: Simplify right side
   4,346,586x = 89,112,429,443,844
5. Step 5: Solve for x
   x = 89,112,429,443,844/4,346,586
6. Step 6: Final answer
   x = 20,501,706.27