Finding the Third Proportional to 404,930,878.50 and 604,747,585.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,930,878.50 : 604,747,585.50 = 604,747,585.50 : x
2. Step 2: Convert to fraction form
   404,930,878.50/604,747,585.50 = 604,747,585.50/x
3. Step 3: Cross multiply
   404,930,878.50x = 604,747,585.50 × 604,747,585.50
4. Step 4: Simplify right side
   404,930,878.50x = 365,719,642,168,079,808
5. Step 5: Solve for x
   x = 365,719,642,168,079,808/404,930,878.50
6. Step 6: Final answer
   x = 903,165,605.75