Finding the Third Proportional to 861,877.50 and 1,748,377.50

Step by Step Solution

1. Step 1: Write the proportion equation
   861,877.50 : 1,748,377.50 = 1,748,377.50 : x
2. Step 2: Convert to fraction form
   861,877.50/1,748,377.50 = 1,748,377.50/x
3. Step 3: Cross multiply
   861,877.50x = 1,748,377.50 × 1,748,377.50
4. Step 4: Simplify right side
   861,877.50x = 3,056,823,882,506.25
5. Step 5: Solve for x
   x = 3,056,823,882,506.25/861,877.50
6. Step 6: Final answer
   x = 3,546,703.43