Finding the Third Proportional to 341,658 and 747,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   341,658 : 747,670.50 = 747,670.50 : x
2. Step 2: Convert to fraction form
   341,658/747,670.50 = 747,670.50/x
3. Step 3: Cross multiply
   341,658x = 747,670.50 × 747,670.50
4. Step 4: Simplify right side
   341,658x = 559,011,176,570.25
5. Step 5: Solve for x
   x = 559,011,176,570.25/341,658
6. Step 6: Final answer
   x = 1,636,171.78