Finding the Third Proportional to 343,323 and 747,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   343,323 : 747,649.50 = 747,649.50 : x
2. Step 2: Convert to fraction form
   343,323/747,649.50 = 747,649.50/x
3. Step 3: Cross multiply
   343,323x = 747,649.50 × 747,649.50
4. Step 4: Simplify right side
   343,323x = 558,979,774,850.25
5. Step 5: Solve for x
   x = 558,979,774,850.25/343,323
6. Step 6: Final answer
   x = 1,628,145.43