Finding the Third Proportional to 346,158 and 747,672.75

Step by Step Solution

1. Step 1: Write the proportion equation
   346,158 : 747,672.75 = 747,672.75 : x
2. Step 2: Convert to fraction form
   346,158/747,672.75 = 747,672.75/x
3. Step 3: Cross multiply
   346,158x = 747,672.75 × 747,672.75
4. Step 4: Simplify right side
   346,158x = 559,014,541,092.56
5. Step 5: Solve for x
   x = 559,014,541,092.56/346,158
6. Step 6: Final answer
   x = 1,614,911.52