Finding the Third Proportional to 702,507 and 1,089,796.50

Step by Step Solution

1. Step 1: Write the proportion equation
   702,507 : 1,089,796.50 = 1,089,796.50 : x
2. Step 2: Convert to fraction form
   702,507/1,089,796.50 = 1,089,796.50/x
3. Step 3: Cross multiply
   702,507x = 1,089,796.50 × 1,089,796.50
4. Step 4: Simplify right side
   702,507x = 1,187,656,411,412.25
5. Step 5: Solve for x
   x = 1,187,656,411,412.25/702,507
6. Step 6: Final answer
   x = 1,690,597.26