Finding the Third Proportional to 1,154,172 and 1,980,364

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154,172 : 1,980,364 = 1,980,364 : x
2. Step 2: Convert to fraction form
   1,154,172/1,980,364 = 1,980,364/x
3. Step 3: Cross multiply
   1,154,172x = 1,980,364 × 1,980,364
4. Step 4: Simplify right side
   1,154,172x = 3,921,841,572,496
5. Step 5: Solve for x
   x = 3,921,841,572,496/1,154,172
6. Step 6: Final answer
   x = 3,397,969.78