Finding the Third Proportional to 706,837.50 and 1,009,615.50

Step by Step Solution

1. Step 1: Write the proportion equation
   706,837.50 : 1,009,615.50 = 1,009,615.50 : x
2. Step 2: Convert to fraction form
   706,837.50/1,009,615.50 = 1,009,615.50/x
3. Step 3: Cross multiply
   706,837.50x = 1,009,615.50 × 1,009,615.50
4. Step 4: Simplify right side
   706,837.50x = 1,019,323,457,840.25
5. Step 5: Solve for x
   x = 1,019,323,457,840.25/706,837.50
6. Step 6: Final answer
   x = 1,442,090.24