Finding the Third Proportional to 88,142.50 and 193,781

Step by Step Solution

1. Step 1: Write the proportion equation
   88,142.50 : 193,781 = 193,781 : x
2. Step 2: Convert to fraction form
   88,142.50/193,781 = 193,781/x
3. Step 3: Cross multiply
   88,142.50x = 193,781 × 193,781
4. Step 4: Simplify right side
   88,142.50x = 37,551,075,961
5. Step 5: Solve for x
   x = 37,551,075,961/88,142.50
6. Step 6: Final answer
   x = 426,026.90