Finding the Third Proportional to 12,830,517 and 16,959,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,830,517 : 16,959,631.50 = 16,959,631.50 : x
2. Step 2: Convert to fraction form
   12,830,517/16,959,631.50 = 16,959,631.50/x
3. Step 3: Cross multiply
   12,830,517x = 16,959,631.50 × 16,959,631.50
4. Step 4: Simplify right side
   12,830,517x = 287,629,100,615,792.25
5. Step 5: Solve for x
   x = 287,629,100,615,792.25/12,830,517
6. Step 6: Final answer
   x = 22,417,576.83