Finding the Third Proportional to 346,155.75 and 747,672

Step by Step Solution

1. Step 1: Write the proportion equation
   346,155.75 : 747,672 = 747,672 : x
2. Step 2: Convert to fraction form
   346,155.75/747,672 = 747,672/x
3. Step 3: Cross multiply
   346,155.75x = 747,672 × 747,672
4. Step 4: Simplify right side
   346,155.75x = 559,013,419,584
5. Step 5: Solve for x
   x = 559,013,419,584/346,155.75
6. Step 6: Final answer
   x = 1,614,918.77