Finding the Third Proportional to 784,500 and 1,663,200

Step by Step Solution

1. Step 1: Write the proportion equation
   784,500 : 1,663,200 = 1,663,200 : x
2. Step 2: Convert to fraction form
   784,500/1,663,200 = 1,663,200/x
3. Step 3: Cross multiply
   784,500x = 1,663,200 × 1,663,200
4. Step 4: Simplify right side
   784,500x = 2,766,234,240,000
5. Step 5: Solve for x
   x = 2,766,234,240,000/784,500
6. Step 6: Final answer
   x = 3,526,111.20