Finding the Third Proportional to 1,148,931 and 1,818,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148,931 : 1,818,436.50 = 1,818,436.50 : x
2. Step 2: Convert to fraction form
   1,148,931/1,818,436.50 = 1,818,436.50/x
3. Step 3: Cross multiply
   1,148,931x = 1,818,436.50 × 1,818,436.50
4. Step 4: Simplify right side
   1,148,931x = 3,306,711,304,532.25
5. Step 5: Solve for x
   x = 3,306,711,304,532.25/1,148,931
6. Step 6: Final answer
   x = 2,878,076.49