Finding the Third Proportional to 5,715,658,518 and 12,307,105,560

Step by Step Solution

1. Step 1: Write the proportion equation
   5,715,658,518 : 12,307,105,560 = 12,307,105,560 : x
2. Step 2: Convert to fraction form
   5,715,658,518/12,307,105,560 = 12,307,105,560/x
3. Step 3: Cross multiply
   5,715,658,518x = 12,307,105,560 × 12,307,105,560
4. Step 4: Simplify right side
   5,715,658,518x = 151,464,847,264,982,925,312
5. Step 5: Solve for x
   x = 151,464,847,264,982,925,312/5,715,658,518
6. Step 6: Final answer
   x = 26,499,981,898.50