Finding the Third Proportional to 864,300 and 1,308,374

Step by Step Solution

1. Step 1: Write the proportion equation
   864,300 : 1,308,374 = 1,308,374 : x
2. Step 2: Convert to fraction form
   864,300/1,308,374 = 1,308,374/x
3. Step 3: Cross multiply
   864,300x = 1,308,374 × 1,308,374
4. Step 4: Simplify right side
   864,300x = 1,711,842,523,876
5. Step 5: Solve for x
   x = 1,711,842,523,876/864,300
6. Step 6: Final answer
   x = 1,980,611.51