Finding the Third Proportional to 50,591,492,392.50 and 78,589,155,730.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,591,492,392.50 : 78,589,155,730.50 = 78,589,155,730.50 : x
2. Step 2: Convert to fraction form
   50,591,492,392.50/78,589,155,730.50 = 78,589,155,730.50/x
3. Step 3: Cross multiply
   50,591,492,392.50x = 78,589,155,730.50 × 78,589,155,730.50
4. Step 4: Simplify right side
   50,591,492,392.50x = 6,176,255,398,432,781,369,344
5. Step 5: Solve for x
   x = 6,176,255,398,432,781,369,344/50,591,492,392.50
6. Step 6: Final answer
   x = 122,080,909,385.24