Finding the Third Proportional to 272,092.50 and 635,381

Step by Step Solution

1. Step 1: Write the proportion equation
   272,092.50 : 635,381 = 635,381 : x
2. Step 2: Convert to fraction form
   272,092.50/635,381 = 635,381/x
3. Step 3: Cross multiply
   272,092.50x = 635,381 × 635,381
4. Step 4: Simplify right side
   272,092.50x = 403,709,015,161
5. Step 5: Solve for x
   x = 403,709,015,161/272,092.50
6. Step 6: Final answer
   x = 1,483,719.75