Finding the Third Proportional to 172,748 and 373,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,748 : 373,792.50 = 373,792.50 : x
2. Step 2: Convert to fraction form
   172,748/373,792.50 = 373,792.50/x
3. Step 3: Cross multiply
   172,748x = 373,792.50 × 373,792.50
4. Step 4: Simplify right side
   172,748x = 139,720,833,056.25
5. Step 5: Solve for x
   x = 139,720,833,056.25/172,748
6. Step 6: Final answer
   x = 808,813.03