Finding the Third Proportional to 30,459.38 and 45,689.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,459.38 : 45,689.06 = 45,689.06 : x
2. Step 2: Convert to fraction form
   30,459.38/45,689.06 = 45,689.06/x
3. Step 3: Cross multiply
   30,459.38x = 45,689.06 × 45,689.06
4. Step 4: Simplify right side
   30,459.38x = 2,087,490,432.13
5. Step 5: Solve for x
   x = 2,087,490,432.13/30,459.38
6. Step 6: Final answer
   x = 68,533.59