Finding the Third Proportional to 67,482,189,697 and 145,120,216,898

Step by Step Solution

1. Step 1: Write the proportion equation
   67,482,189,697 : 145,120,216,898 = 145,120,216,898 : x
2. Step 2: Convert to fraction form
   67,482,189,697/145,120,216,898 = 145,120,216,898/x
3. Step 3: Cross multiply
   67,482,189,697x = 145,120,216,898 × 145,120,216,898
4. Step 4: Simplify right side
   67,482,189,697x = 21,059,877,352,522,565,812,224
5. Step 5: Solve for x
   x = 21,059,877,352,522,565,812,224/67,482,189,697
6. Step 6: Final answer
   x = 312,080,527,426.32