Finding the Third Proportional to 1,531,818 and 2,146,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,531,818 : 2,146,567.50 = 2,146,567.50 : x
2. Step 2: Convert to fraction form
   1,531,818/2,146,567.50 = 2,146,567.50/x
3. Step 3: Cross multiply
   1,531,818x = 2,146,567.50 × 2,146,567.50
4. Step 4: Simplify right side
   1,531,818x = 4,607,752,032,056.25
5. Step 5: Solve for x
   x = 4,607,752,032,056.25/1,531,818
6. Step 6: Final answer
   x = 3,008,028.39