Finding the Third Proportional to 4,346,588 and 9,439,942

Step by Step Solution

1. Step 1: Write the proportion equation
   4,346,588 : 9,439,942 = 9,439,942 : x
2. Step 2: Convert to fraction form
   4,346,588/9,439,942 = 9,439,942/x
3. Step 3: Cross multiply
   4,346,588x = 9,439,942 × 9,439,942
4. Step 4: Simplify right side
   4,346,588x = 89,112,504,963,364
5. Step 5: Solve for x
   x = 89,112,504,963,364/4,346,588
6. Step 6: Final answer
   x = 20,501,714.21