Finding the Third Proportional to 191,487 and 292,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,487 : 292,414.50 = 292,414.50 : x
2. Step 2: Convert to fraction form
   191,487/292,414.50 = 292,414.50/x
3. Step 3: Cross multiply
   191,487x = 292,414.50 × 292,414.50
4. Step 4: Simplify right side
   191,487x = 85,506,239,810.25
5. Step 5: Solve for x
   x = 85,506,239,810.25/191,487
6. Step 6: Final answer
   x = 446,538.09