Finding the Third Proportional to 554,890.50 and 832,410

Step by Step Solution

1. Step 1: Write the proportion equation
   554,890.50 : 832,410 = 832,410 : x
2. Step 2: Convert to fraction form
   554,890.50/832,410 = 832,410/x
3. Step 3: Cross multiply
   554,890.50x = 832,410 × 832,410
4. Step 4: Simplify right side
   554,890.50x = 692,906,408,100
5. Step 5: Solve for x
   x = 692,906,408,100/554,890.50
6. Step 6: Final answer
   x = 1,248,726.38