Finding the Third Proportional to 825,210 and 1,772,440

Step by Step Solution

1. Step 1: Write the proportion equation
   825,210 : 1,772,440 = 1,772,440 : x
2. Step 2: Convert to fraction form
   825,210/1,772,440 = 1,772,440/x
3. Step 3: Cross multiply
   825,210x = 1,772,440 × 1,772,440
4. Step 4: Simplify right side
   825,210x = 3,141,543,553,600
5. Step 5: Solve for x
   x = 3,141,543,553,600/825,210
6. Step 6: Final answer
   x = 3,806,962.54