Finding the Third Proportional to 291,793 and 634,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   291,793 : 634,710.50 = 634,710.50 : x
2. Step 2: Convert to fraction form
   291,793/634,710.50 = 634,710.50/x
3. Step 3: Cross multiply
   291,793x = 634,710.50 × 634,710.50
4. Step 4: Simplify right side
   291,793x = 402,857,418,810.25
5. Step 5: Solve for x
   x = 402,857,418,810.25/291,793
6. Step 6: Final answer
   x = 1,380,627.43