Finding the Third Proportional to 12,937,688,433 and 19,354,814,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,937,688,433 : 19,354,814,383.50 = 19,354,814,383.50 : x
2. Step 2: Convert to fraction form
   12,937,688,433/19,354,814,383.50 = 19,354,814,383.50/x
3. Step 3: Cross multiply
   12,937,688,433x = 19,354,814,383.50 × 19,354,814,383.50
4. Step 4: Simplify right side
   12,937,688,433x = 374,608,839,819,738,480,640
5. Step 5: Solve for x
   x = 374,608,839,819,738,480,640/12,937,688,433
6. Step 6: Final answer
   x = 28,954,850,919.44