Finding the Third Proportional to 42,663 and 93,090

Step by Step Solution

1. Step 1: Write the proportion equation
   42,663 : 93,090 = 93,090 : x
2. Step 2: Convert to fraction form
   42,663/93,090 = 93,090/x
3. Step 3: Cross multiply
   42,663x = 93,090 × 93,090
4. Step 4: Simplify right side
   42,663x = 8,665,748,100
5. Step 5: Solve for x
   x = 8,665,748,100/42,663
6. Step 6: Final answer
   x = 203,120.93