Finding the Third Proportional to 91,859,590.50 and 136,067,428.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,859,590.50 : 136,067,428.50 = 136,067,428.50 : x
2. Step 2: Convert to fraction form
   91,859,590.50/136,067,428.50 = 136,067,428.50/x
3. Step 3: Cross multiply
   91,859,590.50x = 136,067,428.50 × 136,067,428.50
4. Step 4: Simplify right side
   91,859,590.50x = 18,514,345,098,602,612
5. Step 5: Solve for x
   x = 18,514,345,098,602,612/91,859,590.50
6. Step 6: Final answer
   x = 201,550,485.89