Finding the Third Proportional to 73,567,743.75 and 173,419,693.88

Step by Step Solution

1. Step 1: Write the proportion equation
   73,567,743.75 : 173,419,693.88 = 173,419,693.88 : x
2. Step 2: Convert to fraction form
   73,567,743.75/173,419,693.88 = 173,419,693.88/x
3. Step 3: Cross multiply
   73,567,743.75x = 173,419,693.88 × 173,419,693.88
4. Step 4: Simplify right side
   73,567,743.75x = 30,074,390,223,698,712
5. Step 5: Solve for x
   x = 30,074,390,223,698,712/73,567,743.75
6. Step 6: Final answer
   x = 408,798,594.20