Finding the Third Proportional to 907,397.50 and 1,392,820

Step by Step Solution

1. Step 1: Write the proportion equation
   907,397.50 : 1,392,820 = 1,392,820 : x
2. Step 2: Convert to fraction form
   907,397.50/1,392,820 = 1,392,820/x
3. Step 3: Cross multiply
   907,397.50x = 1,392,820 × 1,392,820
4. Step 4: Simplify right side
   907,397.50x = 1,939,947,552,400
5. Step 5: Solve for x
   x = 1,939,947,552,400/907,397.50
6. Step 6: Final answer
   x = 2,137,924.73