Finding the Third Proportional to 58,389,369 and 82,131,978

Step by Step Solution

1. Step 1: Write the proportion equation
   58,389,369 : 82,131,978 = 82,131,978 : x
2. Step 2: Convert to fraction form
   58,389,369/82,131,978 = 82,131,978/x
3. Step 3: Cross multiply
   58,389,369x = 82,131,978 × 82,131,978
4. Step 4: Simplify right side
   58,389,369x = 6,745,661,810,192,484
5. Step 5: Solve for x
   x = 6,745,661,810,192,484/58,389,369
6. Step 6: Final answer
   x = 115,528,938.33