Finding the Third Proportional to 864,446 and 1,308,602

Step by Step Solution

1. Step 1: Write the proportion equation
   864,446 : 1,308,602 = 1,308,602 : x
2. Step 2: Convert to fraction form
   864,446/1,308,602 = 1,308,602/x
3. Step 3: Cross multiply
   864,446x = 1,308,602 × 1,308,602
4. Step 4: Simplify right side
   864,446x = 1,712,439,194,404
5. Step 5: Solve for x
   x = 1,712,439,194,404/864,446
6. Step 6: Final answer
   x = 1,980,967.23