Finding the Third Proportional to 759,680 and 1,621,060

Step by Step Solution

1. Step 1: Write the proportion equation
   759,680 : 1,621,060 = 1,621,060 : x
2. Step 2: Convert to fraction form
   759,680/1,621,060 = 1,621,060/x
3. Step 3: Cross multiply
   759,680x = 1,621,060 × 1,621,060
4. Step 4: Simplify right side
   759,680x = 2,627,835,523,600
5. Step 5: Solve for x
   x = 2,627,835,523,600/759,680
6. Step 6: Final answer
   x = 3,459,134.80