Finding the Third Proportional to 868,420 and 1,830,152

Step by Step Solution

1. Step 1: Write the proportion equation
   868,420 : 1,830,152 = 1,830,152 : x
2. Step 2: Convert to fraction form
   868,420/1,830,152 = 1,830,152/x
3. Step 3: Cross multiply
   868,420x = 1,830,152 × 1,830,152
4. Step 4: Simplify right side
   868,420x = 3,349,456,343,104
5. Step 5: Solve for x
   x = 3,349,456,343,104/868,420
6. Step 6: Final answer
   x = 3,856,954.40