Finding the Third Proportional to 841,434 and 1,851,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   841,434 : 1,851,145.50 = 1,851,145.50 : x
2. Step 2: Convert to fraction form
   841,434/1,851,145.50 = 1,851,145.50/x
3. Step 3: Cross multiply
   841,434x = 1,851,145.50 × 1,851,145.50
4. Step 4: Simplify right side
   841,434x = 3,426,739,662,170.25
5. Step 5: Solve for x
   x = 3,426,739,662,170.25/841,434
6. Step 6: Final answer
   x = 4,072,499.64