Finding the Third Proportional to 42,315,701 and 58,470,686

Step by Step Solution

1. Step 1: Write the proportion equation
   42,315,701 : 58,470,686 = 58,470,686 : x
2. Step 2: Convert to fraction form
   42,315,701/58,470,686 = 58,470,686/x
3. Step 3: Cross multiply
   42,315,701x = 58,470,686 × 58,470,686
4. Step 4: Simplify right side
   42,315,701x = 3,418,821,121,310,596
5. Step 5: Solve for x
   x = 3,418,821,121,310,596/42,315,701
6. Step 6: Final answer
   x = 80,793,205.37