Finding the Third Proportional to 479,639 and 692,938.50

Step by Step Solution

1. Step 1: Write the proportion equation
   479,639 : 692,938.50 = 692,938.50 : x
2. Step 2: Convert to fraction form
   479,639/692,938.50 = 692,938.50/x
3. Step 3: Cross multiply
   479,639x = 692,938.50 × 692,938.50
4. Step 4: Simplify right side
   479,639x = 480,163,764,782.25
5. Step 5: Solve for x
   x = 480,163,764,782.25/479,639
6. Step 6: Final answer
   x = 1,001,094.08