Finding the Third Proportional to 45,230.91 and 68,307.05

Step by Step Solution

1. Step 1: Write the proportion equation
   45,230.91 : 68,307.05 = 68,307.05 : x
2. Step 2: Convert to fraction form
   45,230.91/68,307.05 = 68,307.05/x
3. Step 3: Cross multiply
   45,230.91x = 68,307.05 × 68,307.05
4. Step 4: Simplify right side
   45,230.91x = 4,665,852,652.78
5. Step 5: Solve for x
   x = 4,665,852,652.78/45,230.91
6. Step 6: Final answer
   x = 103,156.29