Finding the Third Proportional to 5,830,128 and 12,808,080

Step by Step Solution

1. Step 1: Write the proportion equation
   5,830,128 : 12,808,080 = 12,808,080 : x
2. Step 2: Convert to fraction form
   5,830,128/12,808,080 = 12,808,080/x
3. Step 3: Cross multiply
   5,830,128x = 12,808,080 × 12,808,080
4. Step 4: Simplify right side
   5,830,128x = 164,046,913,286,400
5. Step 5: Solve for x
   x = 164,046,913,286,400/5,830,128
6. Step 6: Final answer
   x = 28,137,789.31