Finding the Third Proportional to 4,080,645 and 8,936,946

Step by Step Solution

1. Step 1: Write the proportion equation
   4,080,645 : 8,936,946 = 8,936,946 : x
2. Step 2: Convert to fraction form
   4,080,645/8,936,946 = 8,936,946/x
3. Step 3: Cross multiply
   4,080,645x = 8,936,946 × 8,936,946
4. Step 4: Simplify right side
   4,080,645x = 79,869,003,806,916
5. Step 5: Solve for x
   x = 79,869,003,806,916/4,080,645
6. Step 6: Final answer
   x = 19,572,642.02