Finding the Third Proportional to 841,422 and 1,851,120

Step by Step Solution

1. Step 1: Write the proportion equation
   841,422 : 1,851,120 = 1,851,120 : x
2. Step 2: Convert to fraction form
   841,422/1,851,120 = 1,851,120/x
3. Step 3: Cross multiply
   841,422x = 1,851,120 × 1,851,120
4. Step 4: Simplify right side
   841,422x = 3,426,645,254,400
5. Step 5: Solve for x
   x = 3,426,645,254,400/841,422
6. Step 6: Final answer
   x = 4,072,445.52