Finding the Third Proportional to 73,571,632 and 173,428,816

Step by Step Solution

1. Step 1: Write the proportion equation
   73,571,632 : 173,428,816 = 173,428,816 : x
2. Step 2: Convert to fraction form
   73,571,632/173,428,816 = 173,428,816/x
3. Step 3: Cross multiply
   73,571,632x = 173,428,816 × 173,428,816
4. Step 4: Simplify right side
   73,571,632x = 30,077,554,219,161,856
5. Step 5: Solve for x
   x = 30,077,554,219,161,856/73,571,632
6. Step 6: Final answer
   x = 408,819,994.90