Finding the Third Proportional to 74,570 and 112,940

Step by Step Solution

1. Step 1: Write the proportion equation
   74,570 : 112,940 = 112,940 : x
2. Step 2: Convert to fraction form
   74,570/112,940 = 112,940/x
3. Step 3: Cross multiply
   74,570x = 112,940 × 112,940
4. Step 4: Simplify right side
   74,570x = 12,755,443,600
5. Step 5: Solve for x
   x = 12,755,443,600/74,570
6. Step 6: Final answer
   x = 171,053.29