Finding the Third Proportional to 357,705 and 758,056.50

Step by Step Solution

1. Step 1: Write the proportion equation
   357,705 : 758,056.50 = 758,056.50 : x
2. Step 2: Convert to fraction form
   357,705/758,056.50 = 758,056.50/x
3. Step 3: Cross multiply
   357,705x = 758,056.50 × 758,056.50
4. Step 4: Simplify right side
   357,705x = 574,649,657,192.25
5. Step 5: Solve for x
   x = 574,649,657,192.25/357,705
6. Step 6: Final answer
   x = 1,606,490.42