Finding the Third Proportional to 747,654 and 1,621,506

Step by Step Solution

1. Step 1: Write the proportion equation
   747,654 : 1,621,506 = 1,621,506 : x
2. Step 2: Convert to fraction form
   747,654/1,621,506 = 1,621,506/x
3. Step 3: Cross multiply
   747,654x = 1,621,506 × 1,621,506
4. Step 4: Simplify right side
   747,654x = 2,629,281,708,036
5. Step 5: Solve for x
   x = 2,629,281,708,036/747,654
6. Step 6: Final answer
   x = 3,516,709.21