Finding the Third Proportional to 689,955 and 1,059,076.50

Step by Step Solution

1. Step 1: Write the proportion equation
   689,955 : 1,059,076.50 = 1,059,076.50 : x
2. Step 2: Convert to fraction form
   689,955/1,059,076.50 = 1,059,076.50/x
3. Step 3: Cross multiply
   689,955x = 1,059,076.50 × 1,059,076.50
4. Step 4: Simplify right side
   689,955x = 1,121,643,032,852.25
5. Step 5: Solve for x
   x = 1,121,643,032,852.25/689,955
6. Step 6: Final answer
   x = 1,625,675.64