Finding the Third Proportional to 12,929,499 and 19,282,144.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,929,499 : 19,282,144.50 = 19,282,144.50 : x
2. Step 2: Convert to fraction form
   12,929,499/19,282,144.50 = 19,282,144.50/x
3. Step 3: Cross multiply
   12,929,499x = 19,282,144.50 × 19,282,144.50
4. Step 4: Simplify right side
   12,929,499x = 371,801,096,518,880.25
5. Step 5: Solve for x
   x = 371,801,096,518,880.25/12,929,499
6. Step 6: Final answer
   x = 28,756,032.74