Finding the Third Proportional to 341,920.50 and 744,043

Step by Step Solution

1. Step 1: Write the proportion equation
   341,920.50 : 744,043 = 744,043 : x
2. Step 2: Convert to fraction form
   341,920.50/744,043 = 744,043/x
3. Step 3: Cross multiply
   341,920.50x = 744,043 × 744,043
4. Step 4: Simplify right side
   341,920.50x = 553,599,985,849
5. Step 5: Solve for x
   x = 553,599,985,849/341,920.50
6. Step 6: Final answer
   x = 1,619,089.78