Finding the Third Proportional to 163,741,327.50 and 355,109,976

Step by Step Solution

1. Step 1: Write the proportion equation
   163,741,327.50 : 355,109,976 = 355,109,976 : x
2. Step 2: Convert to fraction form
   163,741,327.50/355,109,976 = 355,109,976/x
3. Step 3: Cross multiply
   163,741,327.50x = 355,109,976 × 355,109,976
4. Step 4: Simplify right side
   163,741,327.50x = 126,103,095,054,720,576
5. Step 5: Solve for x
   x = 126,103,095,054,720,576/163,741,327.50
6. Step 6: Final answer
   x = 770,136,024.79