Finding the Third Proportional to 435,515 and 910,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   435,515 : 910,931.50 = 910,931.50 : x
2. Step 2: Convert to fraction form
   435,515/910,931.50 = 910,931.50/x
3. Step 3: Cross multiply
   435,515x = 910,931.50 × 910,931.50
4. Step 4: Simplify right side
   435,515x = 829,796,197,692.25
5. Step 5: Solve for x
   x = 829,796,197,692.25/435,515
6. Step 6: Final answer
   x = 1,905,321.74