Finding the Third Proportional to 841,440 and 1,851,158

Step by Step Solution

1. Step 1: Write the proportion equation
   841,440 : 1,851,158 = 1,851,158 : x
2. Step 2: Convert to fraction form
   841,440/1,851,158 = 1,851,158/x
3. Step 3: Cross multiply
   841,440x = 1,851,158 × 1,851,158
4. Step 4: Simplify right side
   841,440x = 3,426,785,940,964
5. Step 5: Solve for x
   x = 3,426,785,940,964/841,440
6. Step 6: Final answer
   x = 4,072,525.60