Finding the Third Proportional to 28,657.55 and 67,430.00

Step by Step Solution

1. Step 1: Write the proportion equation
   28,657.55 : 67,430.00 = 67,430.00 : x
2. Step 2: Convert to fraction form
   28,657.55/67,430.00 = 67,430.00/x
3. Step 3: Cross multiply
   28,657.55x = 67,430.00 × 67,430.00
4. Step 4: Simplify right side
   28,657.55x = 4,546,805,426.80
5. Step 5: Solve for x
   x = 4,546,805,426.80/28,657.55
6. Step 6: Final answer
   x = 158,659.97