Finding the Third Proportional to 6,132,388 and 12,900,312

Step by Step Solution

1. Step 1: Write the proportion equation
   6,132,388 : 12,900,312 = 12,900,312 : x
2. Step 2: Convert to fraction form
   6,132,388/12,900,312 = 12,900,312/x
3. Step 3: Cross multiply
   6,132,388x = 12,900,312 × 12,900,312
4. Step 4: Simplify right side
   6,132,388x = 166,418,049,697,344
5. Step 5: Solve for x
   x = 166,418,049,697,344/6,132,388
6. Step 6: Final answer
   x = 27,137,560.39