Finding the Third Proportional to 67,482,189,674.50 and 145,120,216,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,482,189,674.50 : 145,120,216,860.50 = 145,120,216,860.50 : x
2. Step 2: Convert to fraction form
   67,482,189,674.50/145,120,216,860.50 = 145,120,216,860.50/x
3. Step 3: Cross multiply
   67,482,189,674.50x = 145,120,216,860.50 × 145,120,216,860.50
4. Step 4: Simplify right side
   67,482,189,674.50x = 21,059,877,341,638,548,258,816
5. Step 5: Solve for x
   x = 21,059,877,341,638,548,258,816/67,482,189,674.50
6. Step 6: Final answer
   x = 312,080,527,369.09