Finding the Third Proportional to 138,803,434 and 301,501,382

Step by Step Solution

1. Step 1: Write the proportion equation
   138,803,434 : 301,501,382 = 301,501,382 : x
2. Step 2: Convert to fraction form
   138,803,434/301,501,382 = 301,501,382/x
3. Step 3: Cross multiply
   138,803,434x = 301,501,382 × 301,501,382
4. Step 4: Simplify right side
   138,803,434x = 90,903,083,347,909,920
5. Step 5: Solve for x
   x = 90,903,083,347,909,920/138,803,434
6. Step 6: Final answer
   x = 654,905,147.00