Finding the Third Proportional to 802,907.50 and 1,154,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   802,907.50 : 1,154,059.50 = 1,154,059.50 : x
2. Step 2: Convert to fraction form
   802,907.50/1,154,059.50 = 1,154,059.50/x
3. Step 3: Cross multiply
   802,907.50x = 1,154,059.50 × 1,154,059.50
4. Step 4: Simplify right side
   802,907.50x = 1,331,853,329,540.25
5. Step 5: Solve for x
   x = 1,331,853,329,540.25/802,907.50
6. Step 6: Final answer
   x = 1,658,788.00