Finding the Third Proportional to 340,051.25 and 744,740.50

Step by Step Solution

1. Step 1: Write the proportion equation
   340,051.25 : 744,740.50 = 744,740.50 : x
2. Step 2: Convert to fraction form
   340,051.25/744,740.50 = 744,740.50/x
3. Step 3: Cross multiply
   340,051.25x = 744,740.50 × 744,740.50
4. Step 4: Simplify right side
   340,051.25x = 554,638,412,340.25
5. Step 5: Solve for x
   x = 554,638,412,340.25/340,051.25
6. Step 6: Final answer
   x = 1,631,043.59