Finding the Third Proportional to 916,164.56 and 1,974,329.72

Step by Step Solution

1. Step 1: Write the proportion equation
   916,164.56 : 1,974,329.72 = 1,974,329.72 : x
2. Step 2: Convert to fraction form
   916,164.56/1,974,329.72 = 1,974,329.72/x
3. Step 3: Cross multiply
   916,164.56x = 1,974,329.72 × 1,974,329.72
4. Step 4: Simplify right side
   916,164.56x = 3,897,977,838,339.45
5. Step 5: Solve for x
   x = 3,897,977,838,339.45/916,164.56
6. Step 6: Final answer
   x = 4,254,669.96