Finding the Third Proportional to 917,268.75 and 1,945,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   917,268.75 : 1,945,543.50 = 1,945,543.50 : x
2. Step 2: Convert to fraction form
   917,268.75/1,945,543.50 = 1,945,543.50/x
3. Step 3: Cross multiply
   917,268.75x = 1,945,543.50 × 1,945,543.50
4. Step 4: Simplify right side
   917,268.75x = 3,785,139,510,392.25
5. Step 5: Solve for x
   x = 3,785,139,510,392.25/917,268.75
6. Step 6: Final answer
   x = 4,126,532.72