Finding the Third Proportional to 29,176,478 and 63,490,300

Step by Step Solution

1. Step 1: Write the proportion equation
   29,176,478 : 63,490,300 = 63,490,300 : x
2. Step 2: Convert to fraction form
   29,176,478/63,490,300 = 63,490,300/x
3. Step 3: Cross multiply
   29,176,478x = 63,490,300 × 63,490,300
4. Step 4: Simplify right side
   29,176,478x = 4,031,018,194,090,000
5. Step 5: Solve for x
   x = 4,031,018,194,090,000/29,176,478
6. Step 6: Final answer
   x = 138,159,862.68