Finding the Third Proportional to 117,316,805 and 177,485,166

Step by Step Solution

1. Step 1: Write the proportion equation
   117,316,805 : 177,485,166 = 177,485,166 : x
2. Step 2: Convert to fraction form
   117,316,805/177,485,166 = 177,485,166/x
3. Step 3: Cross multiply
   117,316,805x = 177,485,166 × 177,485,166
4. Step 4: Simplify right side
   117,316,805x = 31,500,984,150,047,556
5. Step 5: Solve for x
   x = 31,500,984,150,047,556/117,316,805
6. Step 6: Final answer
   x = 268,512,121.09