Finding the Third Proportional to 341,659 and 747,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   341,659 : 747,672.50 = 747,672.50 : x
2. Step 2: Convert to fraction form
   341,659/747,672.50 = 747,672.50/x
3. Step 3: Cross multiply
   341,659x = 747,672.50 × 747,672.50
4. Step 4: Simplify right side
   341,659x = 559,014,167,256.25
5. Step 5: Solve for x
   x = 559,014,167,256.25/341,659
6. Step 6: Final answer
   x = 1,636,175.74