Finding the Third Proportional to 602,010 and 881,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   602,010 : 881,419.50 = 881,419.50 : x
2. Step 2: Convert to fraction form
   602,010/881,419.50 = 881,419.50/x
3. Step 3: Cross multiply
   602,010x = 881,419.50 × 881,419.50
4. Step 4: Simplify right side
   602,010x = 776,900,334,980.25
5. Step 5: Solve for x
   x = 776,900,334,980.25/602,010
6. Step 6: Final answer
   x = 1,290,510.68