Finding the Third Proportional to 305,748 and 650,965.50

Step by Step Solution

1. Step 1: Write the proportion equation
   305,748 : 650,965.50 = 650,965.50 : x
2. Step 2: Convert to fraction form
   305,748/650,965.50 = 650,965.50/x
3. Step 3: Cross multiply
   305,748x = 650,965.50 × 650,965.50
4. Step 4: Simplify right side
   305,748x = 423,756,082,190.25
5. Step 5: Solve for x
   x = 423,756,082,190.25/305,748
6. Step 6: Final answer
   x = 1,385,965.18