Finding the Third Proportional to 834,140 and 1,821,188

Step by Step Solution

1. Step 1: Write the proportion equation
   834,140 : 1,821,188 = 1,821,188 : x
2. Step 2: Convert to fraction form
   834,140/1,821,188 = 1,821,188/x
3. Step 3: Cross multiply
   834,140x = 1,821,188 × 1,821,188
4. Step 4: Simplify right side
   834,140x = 3,316,725,731,344
5. Step 5: Solve for x
   x = 3,316,725,731,344/834,140
6. Step 6: Final answer
   x = 3,976,221.89