Finding the Third Proportional to 903,297 and 1,298,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   903,297 : 1,298,356.50 = 1,298,356.50 : x
2. Step 2: Convert to fraction form
   903,297/1,298,356.50 = 1,298,356.50/x
3. Step 3: Cross multiply
   903,297x = 1,298,356.50 × 1,298,356.50
4. Step 4: Simplify right side
   903,297x = 1,685,729,601,092.25
5. Step 5: Solve for x
   x = 1,685,729,601,092.25/903,297
6. Step 6: Final answer
   x = 1,866,196.39