Finding the Third Proportional to 307,030.50 and 473,688

Step by Step Solution

1. Step 1: Write the proportion equation
   307,030.50 : 473,688 = 473,688 : x
2. Step 2: Convert to fraction form
   307,030.50/473,688 = 473,688/x
3. Step 3: Cross multiply
   307,030.50x = 473,688 × 473,688
4. Step 4: Simplify right side
   307,030.50x = 224,380,321,344
5. Step 5: Solve for x
   x = 224,380,321,344/307,030.50
6. Step 6: Final answer
   x = 730,807.92