Finding the Third Proportional to 340,709.50 and 741,076

Step by Step Solution

1. Step 1: Write the proportion equation
   340,709.50 : 741,076 = 741,076 : x
2. Step 2: Convert to fraction form
   340,709.50/741,076 = 741,076/x
3. Step 3: Cross multiply
   340,709.50x = 741,076 × 741,076
4. Step 4: Simplify right side
   340,709.50x = 549,193,637,776
5. Step 5: Solve for x
   x = 549,193,637,776/340,709.50
6. Step 6: Final answer
   x = 1,611,911.72