Finding the Third Proportional to 82,448,688 and 179,104,128

Step by Step Solution

1. Step 1: Write the proportion equation
   82,448,688 : 179,104,128 = 179,104,128 : x
2. Step 2: Convert to fraction form
   82,448,688/179,104,128 = 179,104,128/x
3. Step 3: Cross multiply
   82,448,688x = 179,104,128 × 179,104,128
4. Step 4: Simplify right side
   82,448,688x = 32,078,288,666,640,384
5. Step 5: Solve for x
   x = 32,078,288,666,640,384/82,448,688
6. Step 6: Final answer
   x = 389,069,728.64