Finding the Third Proportional to 433,053 and 623,801.25

Step by Step Solution

1. Step 1: Write the proportion equation
   433,053 : 623,801.25 = 623,801.25 : x
2. Step 2: Convert to fraction form
   433,053/623,801.25 = 623,801.25/x
3. Step 3: Cross multiply
   433,053x = 623,801.25 × 623,801.25
4. Step 4: Simplify right side
   433,053x = 389,127,999,501.56
5. Step 5: Solve for x
   x = 389,127,999,501.56/433,053
6. Step 6: Final answer
   x = 898,569.00