Finding the Third Proportional to 74,315 and 112,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,315 : 112,892.50 = 112,892.50 : x
2. Step 2: Convert to fraction form
   74,315/112,892.50 = 112,892.50/x
3. Step 3: Cross multiply
   74,315x = 112,892.50 × 112,892.50
4. Step 4: Simplify right side
   74,315x = 12,744,716,556.25
5. Step 5: Solve for x
   x = 12,744,716,556.25/74,315
6. Step 6: Final answer
   x = 171,495.88