Finding the Third Proportional to 28,402.43 and 43,193.78

Step by Step Solution

1. Step 1: Write the proportion equation
   28,402.43 : 43,193.78 = 43,193.78 : x
2. Step 2: Convert to fraction form
   28,402.43/43,193.78 = 43,193.78/x
3. Step 3: Cross multiply
   28,402.43x = 43,193.78 × 43,193.78
4. Step 4: Simplify right side
   28,402.43x = 1,865,702,970.67
5. Step 5: Solve for x
   x = 1,865,702,970.67/28,402.43
6. Step 6: Final answer
   x = 65,688.14