Finding the Third Proportional to 645,097.50 and 902,277

Step by Step Solution

1. Step 1: Write the proportion equation
   645,097.50 : 902,277 = 902,277 : x
2. Step 2: Convert to fraction form
   645,097.50/902,277 = 902,277/x
3. Step 3: Cross multiply
   645,097.50x = 902,277 × 902,277
4. Step 4: Simplify right side
   645,097.50x = 814,103,784,729
5. Step 5: Solve for x
   x = 814,103,784,729/645,097.50
6. Step 6: Final answer
   x = 1,261,985.65