Finding the Third Proportional to 900,294 and 1,393,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   900,294 : 1,393,567.50 = 1,393,567.50 : x
2. Step 2: Convert to fraction form
   900,294/1,393,567.50 = 1,393,567.50/x
3. Step 3: Cross multiply
   900,294x = 1,393,567.50 × 1,393,567.50
4. Step 4: Simplify right side
   900,294x = 1,942,030,377,056.25
5. Step 5: Solve for x
   x = 1,942,030,377,056.25/900,294
6. Step 6: Final answer
   x = 2,157,106.88