Finding the Third Proportional to 478,426 and 650,030

Step by Step Solution

1. Step 1: Write the proportion equation
   478,426 : 650,030 = 650,030 : x
2. Step 2: Convert to fraction form
   478,426/650,030 = 650,030/x
3. Step 3: Cross multiply
   478,426x = 650,030 × 650,030
4. Step 4: Simplify right side
   478,426x = 422,539,000,900
5. Step 5: Solve for x
   x = 422,539,000,900/478,426
6. Step 6: Final answer
   x = 883,185.70