Finding the Third Proportional to 1,931,151 and 2,921,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931,151 : 2,921,581.50 = 2,921,581.50 : x
2. Step 2: Convert to fraction form
   1,931,151/2,921,581.50 = 2,921,581.50/x
3. Step 3: Cross multiply
   1,931,151x = 2,921,581.50 × 2,921,581.50
4. Step 4: Simplify right side
   1,931,151x = 8,535,638,461,142.25
5. Step 5: Solve for x
   x = 8,535,638,461,142.25/1,931,151
6. Step 6: Final answer
   x = 4,419,974.65