Finding the Third Proportional to 193,509 and 455,332.50

Step by Step Solution

1. Step 1: Write the proportion equation
   193,509 : 455,332.50 = 455,332.50 : x
2. Step 2: Convert to fraction form
   193,509/455,332.50 = 455,332.50/x
3. Step 3: Cross multiply
   193,509x = 455,332.50 × 455,332.50
4. Step 4: Simplify right side
   193,509x = 207,327,685,556.25
5. Step 5: Solve for x
   x = 207,327,685,556.25/193,509
6. Step 6: Final answer
   x = 1,071,411.07