Finding the Third Proportional to 478,602 and 740,981.25

Step by Step Solution

1. Step 1: Write the proportion equation
   478,602 : 740,981.25 = 740,981.25 : x
2. Step 2: Convert to fraction form
   478,602/740,981.25 = 740,981.25/x
3. Step 3: Cross multiply
   478,602x = 740,981.25 × 740,981.25
4. Step 4: Simplify right side
   478,602x = 549,053,212,851.56
5. Step 5: Solve for x
   x = 549,053,212,851.56/478,602
6. Step 6: Final answer
   x = 1,147,202.09