Finding the Third Proportional to 635,460 and 938,406

Step by Step Solution

1. Step 1: Write the proportion equation
   635,460 : 938,406 = 938,406 : x
2. Step 2: Convert to fraction form
   635,460/938,406 = 938,406/x
3. Step 3: Cross multiply
   635,460x = 938,406 × 938,406
4. Step 4: Simplify right side
   635,460x = 880,605,820,836
5. Step 5: Solve for x
   x = 880,605,820,836/635,460
6. Step 6: Final answer
   x = 1,385,776.95