Finding the Third Proportional to 316,335 and 746,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   316,335 : 746,719.50 = 746,719.50 : x
2. Step 2: Convert to fraction form
   316,335/746,719.50 = 746,719.50/x
3. Step 3: Cross multiply
   316,335x = 746,719.50 × 746,719.50
4. Step 4: Simplify right side
   316,335x = 557,590,011,680.25
5. Step 5: Solve for x
   x = 557,590,011,680.25/316,335
6. Step 6: Final answer
   x = 1,762,656.71