Finding the Third Proportional to 915,151.50 and 1,391,384.25

Step by Step Solution

1. Step 1: Write the proportion equation
   915,151.50 : 1,391,384.25 = 1,391,384.25 : x
2. Step 2: Convert to fraction form
   915,151.50/1,391,384.25 = 1,391,384.25/x
3. Step 3: Cross multiply
   915,151.50x = 1,391,384.25 × 1,391,384.25
4. Step 4: Simplify right side
   915,151.50x = 1,935,950,131,148.06
5. Step 5: Solve for x
   x = 1,935,950,131,148.06/915,151.50
6. Step 6: Final answer
   x = 2,115,442.23