Finding the Third Proportional to 911,218.50 and 2,109,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   911,218.50 : 2,109,484.50 = 2,109,484.50 : x
2. Step 2: Convert to fraction form
   911,218.50/2,109,484.50 = 2,109,484.50/x
3. Step 3: Cross multiply
   911,218.50x = 2,109,484.50 × 2,109,484.50
4. Step 4: Simplify right side
   911,218.50x = 4,449,924,855,740.25
5. Step 5: Solve for x
   x = 4,449,924,855,740.25/911,218.50
6. Step 6: Final answer
   x = 4,883,488.27