Finding the Third Proportional to 73,820,142 and 161,542,494

Step by Step Solution

1. Step 1: Write the proportion equation
   73,820,142 : 161,542,494 = 161,542,494 : x
2. Step 2: Convert to fraction form
   73,820,142/161,542,494 = 161,542,494/x
3. Step 3: Cross multiply
   73,820,142x = 161,542,494 × 161,542,494
4. Step 4: Simplify right side
   73,820,142x = 26,095,977,367,740,036
5. Step 5: Solve for x
   x = 26,095,977,367,740,036/73,820,142
6. Step 6: Final answer
   x = 353,507,547.68