Finding the Third Proportional to 42,645,955 and 65,508,824

Step by Step Solution

1. Step 1: Write the proportion equation
   42,645,955 : 65,508,824 = 65,508,824 : x
2. Step 2: Convert to fraction form
   42,645,955/65,508,824 = 65,508,824/x
3. Step 3: Cross multiply
   42,645,955x = 65,508,824 × 65,508,824
4. Step 4: Simplify right side
   42,645,955x = 4,291,406,021,862,976
5. Step 5: Solve for x
   x = 4,291,406,021,862,976/42,645,955
6. Step 6: Final answer
   x = 100,628,676.78