Finding the Third Proportional to 431,191.69 and 907,068.38

Step by Step Solution

1. Step 1: Write the proportion equation
   431,191.69 : 907,068.38 = 907,068.38 : x
2. Step 2: Convert to fraction form
   431,191.69/907,068.38 = 907,068.38/x
3. Step 3: Cross multiply
   431,191.69x = 907,068.38 × 907,068.38
4. Step 4: Simplify right side
   431,191.69x = 822,773,036,925.14
5. Step 5: Solve for x
   x = 822,773,036,925.14/431,191.69
6. Step 6: Final answer
   x = 1,908,137.52