Finding the Third Proportional to 40,643 and 58,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,643 : 58,007.50 = 58,007.50 : x
2. Step 2: Convert to fraction form
   40,643/58,007.50 = 58,007.50/x
3. Step 3: Cross multiply
   40,643x = 58,007.50 × 58,007.50
4. Step 4: Simplify right side
   40,643x = 3,364,870,056.25
5. Step 5: Solve for x
   x = 3,364,870,056.25/40,643
6. Step 6: Final answer
   x = 82,790.89