Finding the Third Proportional to 191,616 and 403,076

Step by Step Solution

1. Step 1: Write the proportion equation
   191,616 : 403,076 = 403,076 : x
2. Step 2: Convert to fraction form
   191,616/403,076 = 403,076/x
3. Step 3: Cross multiply
   191,616x = 403,076 × 403,076
4. Step 4: Simplify right side
   191,616x = 162,470,261,776
5. Step 5: Solve for x
   x = 162,470,261,776/191,616
6. Step 6: Final answer
   x = 847,895.07