Finding the Third Proportional to 602,291.50 and 802,956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   602,291.50 : 802,956.50 = 802,956.50 : x
2. Step 2: Convert to fraction form
   602,291.50/802,956.50 = 802,956.50/x
3. Step 3: Cross multiply
   602,291.50x = 802,956.50 × 802,956.50
4. Step 4: Simplify right side
   602,291.50x = 644,739,140,892.25
5. Step 5: Solve for x
   x = 644,739,140,892.25/602,291.50
6. Step 6: Final answer
   x = 1,070,476.91