Finding the Third Proportional to 156,572.50 and 349,003

Step by Step Solution

1. Step 1: Write the proportion equation
   156,572.50 : 349,003 = 349,003 : x
2. Step 2: Convert to fraction form
   156,572.50/349,003 = 349,003/x
3. Step 3: Cross multiply
   156,572.50x = 349,003 × 349,003
4. Step 4: Simplify right side
   156,572.50x = 121,803,094,009
5. Step 5: Solve for x
   x = 121,803,094,009/156,572.50
6. Step 6: Final answer
   x = 777,934.15