Finding the Third Proportional to 82,786,220 and 174,153,256

Step by Step Solution

1. Step 1: Write the proportion equation
   82,786,220 : 174,153,256 = 174,153,256 : x
2. Step 2: Convert to fraction form
   82,786,220/174,153,256 = 174,153,256/x
3. Step 3: Cross multiply
   82,786,220x = 174,153,256 × 174,153,256
4. Step 4: Simplify right side
   82,786,220x = 30,329,356,575,401,536
5. Step 5: Solve for x
   x = 30,329,356,575,401,536/82,786,220
6. Step 6: Final answer
   x = 366,357,548.10