Finding the Third Proportional to 12,929,766.75 and 19,359,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,929,766.75 : 19,359,040.50 = 19,359,040.50 : x
2. Step 2: Convert to fraction form
   12,929,766.75/19,359,040.50 = 19,359,040.50/x
3. Step 3: Cross multiply
   12,929,766.75x = 19,359,040.50 × 19,359,040.50
4. Step 4: Simplify right side
   12,929,766.75x = 374,772,449,080,640.25
5. Step 5: Solve for x
   x = 374,772,449,080,640.25/12,929,766.75
6. Step 6: Final answer
   x = 28,985,244.38