Finding the Third Proportional to 428,482.50 and 629,466

Step by Step Solution

1. Step 1: Write the proportion equation
   428,482.50 : 629,466 = 629,466 : x
2. Step 2: Convert to fraction form
   428,482.50/629,466 = 629,466/x
3. Step 3: Cross multiply
   428,482.50x = 629,466 × 629,466
4. Step 4: Simplify right side
   428,482.50x = 396,227,445,156
5. Step 5: Solve for x
   x = 396,227,445,156/428,482.50
6. Step 6: Final answer
   x = 924,722.59