Finding the Third Proportional to 58,429.50 and 89,352

Step by Step Solution

1. Step 1: Write the proportion equation
   58,429.50 : 89,352 = 89,352 : x
2. Step 2: Convert to fraction form
   58,429.50/89,352 = 89,352/x
3. Step 3: Cross multiply
   58,429.50x = 89,352 × 89,352
4. Step 4: Simplify right side
   58,429.50x = 7,983,779,904
5. Step 5: Solve for x
   x = 7,983,779,904/58,429.50
6. Step 6: Final answer
   x = 136,639.54