Finding the Third Proportional to 347,742 and 741,415.50

Step by Step Solution

1. Step 1: Write the proportion equation
   347,742 : 741,415.50 = 741,415.50 : x
2. Step 2: Convert to fraction form
   347,742/741,415.50 = 741,415.50/x
3. Step 3: Cross multiply
   347,742x = 741,415.50 × 741,415.50
4. Step 4: Simplify right side
   347,742x = 549,696,943,640.25
5. Step 5: Solve for x
   x = 549,696,943,640.25/347,742
6. Step 6: Final answer
   x = 1,580,760.86