Finding the Third Proportional to 168,679,300.50 and 260,663,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,679,300.50 : 260,663,791.50 = 260,663,791.50 : x
2. Step 2: Convert to fraction form
   168,679,300.50/260,663,791.50 = 260,663,791.50/x
3. Step 3: Cross multiply
   168,679,300.50x = 260,663,791.50 × 260,663,791.50
4. Step 4: Simplify right side
   168,679,300.50x = 67,945,612,199,155,472
5. Step 5: Solve for x
   x = 67,945,612,199,155,472/168,679,300.50
6. Step 6: Final answer
   x = 402,809,425.92