Finding the Third Proportional to 345,892.50 and 745,146

Step by Step Solution

1. Step 1: Write the proportion equation
   345,892.50 : 745,146 = 745,146 : x
2. Step 2: Convert to fraction form
   345,892.50/745,146 = 745,146/x
3. Step 3: Cross multiply
   345,892.50x = 745,146 × 745,146
4. Step 4: Simplify right side
   345,892.50x = 555,242,561,316
5. Step 5: Solve for x
   x = 555,242,561,316/345,892.50
6. Step 6: Final answer
   x = 1,605,246.03