Finding the Third Proportional to 602,427 and 803,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   602,427 : 803,145.50 = 803,145.50 : x
2. Step 2: Convert to fraction form
   602,427/803,145.50 = 803,145.50/x
3. Step 3: Cross multiply
   602,427x = 803,145.50 × 803,145.50
4. Step 4: Simplify right side
   602,427x = 645,042,694,170.25
5. Step 5: Solve for x
   x = 645,042,694,170.25/602,427
6. Step 6: Final answer
   x = 1,070,740.01