Finding the Third Proportional to 73,815,012 and 172,465,182

Step by Step Solution

1. Step 1: Write the proportion equation
   73,815,012 : 172,465,182 = 172,465,182 : x
2. Step 2: Convert to fraction form
   73,815,012/172,465,182 = 172,465,182/x
3. Step 3: Cross multiply
   73,815,012x = 172,465,182 × 172,465,182
4. Step 4: Simplify right side
   73,815,012x = 29,744,239,002,293,124
5. Step 5: Solve for x
   x = 29,744,239,002,293,124/73,815,012
6. Step 6: Final answer
   x = 402,956,501.62