Finding the Third Proportional to 745,111.50 and 1,180,366.50

Step by Step Solution

1. Step 1: Write the proportion equation
   745,111.50 : 1,180,366.50 = 1,180,366.50 : x
2. Step 2: Convert to fraction form
   745,111.50/1,180,366.50 = 1,180,366.50/x
3. Step 3: Cross multiply
   745,111.50x = 1,180,366.50 × 1,180,366.50
4. Step 4: Simplify right side
   745,111.50x = 1,393,265,074,322.25
5. Step 5: Solve for x
   x = 1,393,265,074,322.25/745,111.50
6. Step 6: Final answer
   x = 1,869,874.61