Finding the Third Proportional to 1,272,220 and 2,696,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,220 : 2,696,120 = 2,696,120 : x
2. Step 2: Convert to fraction form
   1,272,220/2,696,120 = 2,696,120/x
3. Step 3: Cross multiply
   1,272,220x = 2,696,120 × 2,696,120
4. Step 4: Simplify right side
   1,272,220x = 7,269,063,054,400
5. Step 5: Solve for x
   x = 7,269,063,054,400/1,272,220
6. Step 6: Final answer
   x = 5,713,684.00