Finding the Third Proportional to 553,422 and 834,001.50

Step by Step Solution

1. Step 1: Write the proportion equation
   553,422 : 834,001.50 = 834,001.50 : x
2. Step 2: Convert to fraction form
   553,422/834,001.50 = 834,001.50/x
3. Step 3: Cross multiply
   553,422x = 834,001.50 × 834,001.50
4. Step 4: Simplify right side
   553,422x = 695,558,502,002.25
5. Step 5: Solve for x
   x = 695,558,502,002.25/553,422
6. Step 6: Final answer
   x = 1,256,832.04