Finding the Third Proportional to 136,263,140 and 298,907,116

Step by Step Solution

1. Step 1: Write the proportion equation
   136,263,140 : 298,907,116 = 298,907,116 : x
2. Step 2: Convert to fraction form
   136,263,140/298,907,116 = 298,907,116/x
3. Step 3: Cross multiply
   136,263,140x = 298,907,116 × 298,907,116
4. Step 4: Simplify right side
   136,263,140x = 89,345,463,995,437,456
5. Step 5: Solve for x
   x = 89,345,463,995,437,456/136,263,140
6. Step 6: Final answer
   x = 655,683,290.40