Finding the Third Proportional to 903,109.50 and 1,238,385.38

Step by Step Solution

1. Step 1: Write the proportion equation
   903,109.50 : 1,238,385.38 = 1,238,385.38 : x
2. Step 2: Convert to fraction form
   903,109.50/1,238,385.38 = 1,238,385.38/x
3. Step 3: Cross multiply
   903,109.50x = 1,238,385.38 × 1,238,385.38
4. Step 4: Simplify right side
   903,109.50x = 1,533,598,337,013.89
5. Step 5: Solve for x
   x = 1,533,598,337,013.89/903,109.50
6. Step 6: Final answer
   x = 1,698,131.11