Finding the Third Proportional to 313,308 and 468,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   313,308 : 468,787.50 = 468,787.50 : x
2. Step 2: Convert to fraction form
   313,308/468,787.50 = 468,787.50/x
3. Step 3: Cross multiply
   313,308x = 468,787.50 × 468,787.50
4. Step 4: Simplify right side
   313,308x = 219,761,720,156.25
5. Step 5: Solve for x
   x = 219,761,720,156.25/313,308
6. Step 6: Final answer
   x = 701,423.90