Finding the Third Proportional to 647,046 and 1,405,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   647,046 : 1,405,870.50 = 1,405,870.50 : x
2. Step 2: Convert to fraction form
   647,046/1,405,870.50 = 1,405,870.50/x
3. Step 3: Cross multiply
   647,046x = 1,405,870.50 × 1,405,870.50
4. Step 4: Simplify right side
   647,046x = 1,976,471,862,770.25
5. Step 5: Solve for x
   x = 1,976,471,862,770.25/647,046
6. Step 6: Final answer
   x = 3,054,607.96