Finding the Third Proportional to 157,710 and 336,065.25

Step by Step Solution

1. Step 1: Write the proportion equation
   157,710 : 336,065.25 = 336,065.25 : x
2. Step 2: Convert to fraction form
   157,710/336,065.25 = 336,065.25/x
3. Step 3: Cross multiply
   157,710x = 336,065.25 × 336,065.25
4. Step 4: Simplify right side
   157,710x = 112,939,852,257.56
5. Step 5: Solve for x
   x = 112,939,852,257.56/157,710
6. Step 6: Final answer
   x = 716,123.60