Finding the Third Proportional to 67,302,004,012.50 and 145,349,842,435.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,302,004,012.50 : 145,349,842,435.50 = 145,349,842,435.50 : x
2. Step 2: Convert to fraction form
   67,302,004,012.50/145,349,842,435.50 = 145,349,842,435.50/x
3. Step 3: Cross multiply
   67,302,004,012.50x = 145,349,842,435.50 × 145,349,842,435.50
4. Step 4: Simplify right side
   67,302,004,012.50x = 21,126,576,696,024,675,385,344
5. Step 5: Solve for x
   x = 21,126,576,696,024,675,385,344/67,302,004,012.50
6. Step 6: Final answer
   x = 313,907,096,913.50