Finding the Third Proportional to 4,614,256 and 9,938,492

Step by Step Solution

1. Step 1: Write the proportion equation
   4,614,256 : 9,938,492 = 9,938,492 : x
2. Step 2: Convert to fraction form
   4,614,256/9,938,492 = 9,938,492/x
3. Step 3: Cross multiply
   4,614,256x = 9,938,492 × 9,938,492
4. Step 4: Simplify right side
   4,614,256x = 98,773,623,234,064
5. Step 5: Solve for x
   x = 98,773,623,234,064/4,614,256
6. Step 6: Final answer
   x = 21,406,186.23