Finding the Third Proportional to 430,836 and 920,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   430,836 : 920,314.50 = 920,314.50 : x
2. Step 2: Convert to fraction form
   430,836/920,314.50 = 920,314.50/x
3. Step 3: Cross multiply
   430,836x = 920,314.50 × 920,314.50
4. Step 4: Simplify right side
   430,836x = 846,978,778,910.25
5. Step 5: Solve for x
   x = 846,978,778,910.25/430,836
6. Step 6: Final answer
   x = 1,965,896.02