Finding the Third Proportional to 19,461,910 and 42,808,768

Step by Step Solution

1. Step 1: Write the proportion equation
   19,461,910 : 42,808,768 = 42,808,768 : x
2. Step 2: Convert to fraction form
   19,461,910/42,808,768 = 42,808,768/x
3. Step 3: Cross multiply
   19,461,910x = 42,808,768 × 42,808,768
4. Step 4: Simplify right side
   19,461,910x = 1,832,590,617,677,824
5. Step 5: Solve for x
   x = 1,832,590,617,677,824/19,461,910
6. Step 6: Final answer
   x = 94,162,937.64