Finding the Third Proportional to 138,898,577.25 and 296,244,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   138,898,577.25 : 296,244,499.50 = 296,244,499.50 : x
2. Step 2: Convert to fraction form
   138,898,577.25/296,244,499.50 = 296,244,499.50/x
3. Step 3: Cross multiply
   138,898,577.25x = 296,244,499.50 × 296,244,499.50
4. Step 4: Simplify right side
   138,898,577.25x = 87,760,803,484,005,504
5. Step 5: Solve for x
   x = 87,760,803,484,005,504/138,898,577.25
6. Step 6: Final answer
   x = 631,833,710.77