Finding the Third Proportional to 432,338.77 and 615,874.01

Step by Step Solution

1. Step 1: Write the proportion equation
   432,338.77 : 615,874.01 = 615,874.01 : x
2. Step 2: Convert to fraction form
   432,338.77/615,874.01 = 615,874.01/x
3. Step 3: Cross multiply
   432,338.77x = 615,874.01 × 615,874.01
4. Step 4: Simplify right side
   432,338.77x = 379,300,793,499.03
5. Step 5: Solve for x
   x = 379,300,793,499.03/432,338.77
6. Step 6: Final answer
   x = 877,323.12