Finding the Third Proportional to 456,550 and 709,692.50

Step by Step Solution

1. Step 1: Write the proportion equation
   456,550 : 709,692.50 = 709,692.50 : x
2. Step 2: Convert to fraction form
   456,550/709,692.50 = 709,692.50/x
3. Step 3: Cross multiply
   456,550x = 709,692.50 × 709,692.50
4. Step 4: Simplify right side
   456,550x = 503,663,444,556.25
5. Step 5: Solve for x
   x = 503,663,444,556.25/456,550
6. Step 6: Final answer
   x = 1,103,194.49