Finding the Third Proportional to 136,597,603.50 and 298,158,111

Step by Step Solution

1. Step 1: Write the proportion equation
   136,597,603.50 : 298,158,111 = 298,158,111 : x
2. Step 2: Convert to fraction form
   136,597,603.50/298,158,111 = 298,158,111/x
3. Step 3: Cross multiply
   136,597,603.50x = 298,158,111 × 298,158,111
4. Step 4: Simplify right side
   136,597,603.50x = 88,898,259,155,088,320
5. Step 5: Solve for x
   x = 88,898,259,155,088,320/136,597,603.50
6. Step 6: Final answer
   x = 650,803,944.41