Finding the Third Proportional to 346,657.50 and 745,056

Step by Step Solution

1. Step 1: Write the proportion equation
   346,657.50 : 745,056 = 745,056 : x
2. Step 2: Convert to fraction form
   346,657.50/745,056 = 745,056/x
3. Step 3: Cross multiply
   346,657.50x = 745,056 × 745,056
4. Step 4: Simplify right side
   346,657.50x = 555,108,443,136
5. Step 5: Solve for x
   x = 555,108,443,136/346,657.50
6. Step 6: Final answer
   x = 1,601,316.70