Finding the Third Proportional to 870,124.50 and 1,868,781.38

Step by Step Solution

1. Step 1: Write the proportion equation
   870,124.50 : 1,868,781.38 = 1,868,781.38 : x
2. Step 2: Convert to fraction form
   870,124.50/1,868,781.38 = 1,868,781.38/x
3. Step 3: Cross multiply
   870,124.50x = 1,868,781.38 × 1,868,781.38
4. Step 4: Simplify right side
   870,124.50x = 3,492,343,827,546.89
5. Step 5: Solve for x
   x = 3,492,343,827,546.89/870,124.50
6. Step 6: Final answer
   x = 4,013,613.95