Finding the Third Proportional to 891,664 and 1,368,600

Step by Step Solution

1. Step 1: Write the proportion equation
   891,664 : 1,368,600 = 1,368,600 : x
2. Step 2: Convert to fraction form
   891,664/1,368,600 = 1,368,600/x
3. Step 3: Cross multiply
   891,664x = 1,368,600 × 1,368,600
4. Step 4: Simplify right side
   891,664x = 1,873,065,960,000
5. Step 5: Solve for x
   x = 1,873,065,960,000/891,664
6. Step 6: Final answer
   x = 2,100,641.00