Finding the Third Proportional to 4,996,436 and 10,385,396

Step by Step Solution

1. Step 1: Write the proportion equation
   4,996,436 : 10,385,396 = 10,385,396 : x
2. Step 2: Convert to fraction form
   4,996,436/10,385,396 = 10,385,396/x
3. Step 3: Cross multiply
   4,996,436x = 10,385,396 × 10,385,396
4. Step 4: Simplify right side
   4,996,436x = 107,856,450,076,816
5. Step 5: Solve for x
   x = 107,856,450,076,816/4,996,436
6. Step 6: Final answer
   x = 21,586,677.00