Finding the Third Proportional to 5,387,196,931 and 12,586,922,830.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,387,196,931 : 12,586,922,830.50 = 12,586,922,830.50 : x
2. Step 2: Convert to fraction form
   5,387,196,931/12,586,922,830.50 = 12,586,922,830.50/x
3. Step 3: Cross multiply
   5,387,196,931x = 12,586,922,830.50 × 12,586,922,830.50
4. Step 4: Simplify right side
   5,387,196,931x = 158,430,626,340,962,140,160
5. Step 5: Solve for x
   x = 158,430,626,340,962,140,160/5,387,196,931
6. Step 6: Final answer
   x = 29,408,731,176.93