Finding the Third Proportional to 92,280 and 142,355.06

Step by Step Solution

1. Step 1: Write the proportion equation
   92,280 : 142,355.06 = 142,355.06 : x
2. Step 2: Convert to fraction form
   92,280/142,355.06 = 142,355.06/x
3. Step 3: Cross multiply
   92,280x = 142,355.06 × 142,355.06
4. Step 4: Simplify right side
   92,280x = 20,264,963,819.38
5. Step 5: Solve for x
   x = 20,264,963,819.38/92,280
6. Step 6: Final answer
   x = 219,602.99