Finding the Third Proportional to 781,047 and 1,623,870

Step by Step Solution

1. Step 1: Write the proportion equation
   781,047 : 1,623,870 = 1,623,870 : x
2. Step 2: Convert to fraction form
   781,047/1,623,870 = 1,623,870/x
3. Step 3: Cross multiply
   781,047x = 1,623,870 × 1,623,870
4. Step 4: Simplify right side
   781,047x = 2,636,953,776,900
5. Step 5: Solve for x
   x = 2,636,953,776,900/781,047
6. Step 6: Final answer
   x = 3,376,178.10