Finding the Third Proportional to 136,108,474 and 298,670,900

Step by Step Solution

1. Step 1: Write the proportion equation
   136,108,474 : 298,670,900 = 298,670,900 : x
2. Step 2: Convert to fraction form
   136,108,474/298,670,900 = 298,670,900/x
3. Step 3: Cross multiply
   136,108,474x = 298,670,900 × 298,670,900
4. Step 4: Simplify right side
   136,108,474x = 89,204,306,506,810,000
5. Step 5: Solve for x
   x = 89,204,306,506,810,000/136,108,474
6. Step 6: Final answer
   x = 655,391,276.42