Finding the Third Proportional to 30,423,243 and 71,745,819

Step by Step Solution

1. Step 1: Write the proportion equation
   30,423,243 : 71,745,819 = 71,745,819 : x
2. Step 2: Convert to fraction form
   30,423,243/71,745,819 = 71,745,819/x
3. Step 3: Cross multiply
   30,423,243x = 71,745,819 × 71,745,819
4. Step 4: Simplify right side
   30,423,243x = 5,147,462,543,980,761
5. Step 5: Solve for x
   x = 5,147,462,543,980,761/30,423,243
6. Step 6: Final answer
   x = 169,195,063.92