Finding the Third Proportional to 1,620,472 and 3,532,528

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,472 : 3,532,528 = 3,532,528 : x
2. Step 2: Convert to fraction form
   1,620,472/3,532,528 = 3,532,528/x
3. Step 3: Cross multiply
   1,620,472x = 3,532,528 × 3,532,528
4. Step 4: Simplify right side
   1,620,472x = 12,478,754,070,784
5. Step 5: Solve for x
   x = 12,478,754,070,784/1,620,472
6. Step 6: Final answer
   x = 7,700,690.95