Finding the Third Proportional to 786,300.75 and 1,719,814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   786,300.75 : 1,719,814.50 = 1,719,814.50 : x
2. Step 2: Convert to fraction form
   786,300.75/1,719,814.50 = 1,719,814.50/x
3. Step 3: Cross multiply
   786,300.75x = 1,719,814.50 × 1,719,814.50
4. Step 4: Simplify right side
   786,300.75x = 2,957,761,914,410.25
5. Step 5: Solve for x
   x = 2,957,761,914,410.25/786,300.75
6. Step 6: Final answer
   x = 3,761,616.55