Finding the Third Proportional to 589,386 and 900,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   589,386 : 900,994.50 = 900,994.50 : x
2. Step 2: Convert to fraction form
   589,386/900,994.50 = 900,994.50/x
3. Step 3: Cross multiply
   589,386x = 900,994.50 × 900,994.50
4. Step 4: Simplify right side
   589,386x = 811,791,089,030.25
5. Step 5: Solve for x
   x = 811,791,089,030.25/589,386
6. Step 6: Final answer
   x = 1,377,350.48