Finding the Third Proportional to 40,349,172 and 87,557,064

Step by Step Solution

1. Step 1: Write the proportion equation
   40,349,172 : 87,557,064 = 87,557,064 : x
2. Step 2: Convert to fraction form
   40,349,172/87,557,064 = 87,557,064/x
3. Step 3: Cross multiply
   40,349,172x = 87,557,064 × 87,557,064
4. Step 4: Simplify right side
   40,349,172x = 7,666,239,456,300,096
5. Step 5: Solve for x
   x = 7,666,239,456,300,096/40,349,172
6. Step 6: Final answer
   x = 189,997,441.74