Finding the Third Proportional to 37,800,478 and 80,782,323

Step by Step Solution

1. Step 1: Write the proportion equation
   37,800,478 : 80,782,323 = 80,782,323 : x
2. Step 2: Convert to fraction form
   37,800,478/80,782,323 = 80,782,323/x
3. Step 3: Cross multiply
   37,800,478x = 80,782,323 × 80,782,323
4. Step 4: Simplify right side
   37,800,478x = 6,525,783,709,276,329
5. Step 5: Solve for x
   x = 6,525,783,709,276,329/37,800,478
6. Step 6: Final answer
   x = 172,637,597.58