Finding the Third Proportional to 974,388 and 2,125,840

Step by Step Solution

1. Step 1: Write the proportion equation
   974,388 : 2,125,840 = 2,125,840 : x
2. Step 2: Convert to fraction form
   974,388/2,125,840 = 2,125,840/x
3. Step 3: Cross multiply
   974,388x = 2,125,840 × 2,125,840
4. Step 4: Simplify right side
   974,388x = 4,519,195,705,600
5. Step 5: Solve for x
   x = 4,519,195,705,600/974,388
6. Step 6: Final answer
   x = 4,637,983.75