Finding the Third Proportional to 45,294.50 and 74,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,294.50 : 74,860.50 = 74,860.50 : x
2. Step 2: Convert to fraction form
   45,294.50/74,860.50 = 74,860.50/x
3. Step 3: Cross multiply
   45,294.50x = 74,860.50 × 74,860.50
4. Step 4: Simplify right side
   45,294.50x = 5,604,094,460.25
5. Step 5: Solve for x
   x = 5,604,094,460.25/45,294.50
6. Step 6: Final answer
   x = 123,725.72