Finding the Third Proportional to 402,279 and 881,376.50

Step by Step Solution

1. Step 1: Write the proportion equation
   402,279 : 881,376.50 = 881,376.50 : x
2. Step 2: Convert to fraction form
   402,279/881,376.50 = 881,376.50/x
3. Step 3: Cross multiply
   402,279x = 881,376.50 × 881,376.50
4. Step 4: Simplify right side
   402,279x = 776,824,534,752.25
5. Step 5: Solve for x
   x = 776,824,534,752.25/402,279
6. Step 6: Final answer
   x = 1,931,059.13