Finding the Third Proportional to 344,358 and 730,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   344,358 : 730,399.50 = 730,399.50 : x
2. Step 2: Convert to fraction form
   344,358/730,399.50 = 730,399.50/x
3. Step 3: Cross multiply
   344,358x = 730,399.50 × 730,399.50
4. Step 4: Simplify right side
   344,358x = 533,483,429,600.25
5. Step 5: Solve for x
   x = 533,483,429,600.25/344,358
6. Step 6: Final answer
   x = 1,549,211.66