Finding the Third Proportional to 8,493,150,432 and 12,739,726,944

Step by Step Solution

1. Step 1: Write the proportion equation
   8,493,150,432 : 12,739,726,944 = 12,739,726,944 : x
2. Step 2: Convert to fraction form
   8,493,150,432/12,739,726,944 = 12,739,726,944/x
3. Step 3: Cross multiply
   8,493,150,432x = 12,739,726,944 × 12,739,726,944
4. Step 4: Simplify right side
   8,493,150,432x = 162,300,642,607,679,569,920
5. Step 5: Solve for x
   x = 162,300,642,607,679,569,920/8,493,150,432
6. Step 6: Final answer
   x = 19,109,592,360.00