Finding the Third Proportional to 721,850 and 1,009,160

Step by Step Solution

1. Step 1: Write the proportion equation
   721,850 : 1,009,160 = 1,009,160 : x
2. Step 2: Convert to fraction form
   721,850/1,009,160 = 1,009,160/x
3. Step 3: Cross multiply
   721,850x = 1,009,160 × 1,009,160
4. Step 4: Simplify right side
   721,850x = 1,018,403,905,600
5. Step 5: Solve for x
   x = 1,018,403,905,600/721,850
6. Step 6: Final answer
   x = 1,410,824.83